Henry Kissinger appears on “Chicago Tonight” on June 19, 2001. (WTTW News)

Over the years, Henry Kissinger joined John Callaway and Phil Ponce on “Chicago Tonight” three times where he discussed foreign policy news of the time.

In this photo released by the Taiwan Ministry of Foreign Affairs, U.S. House Speaker Nancy Pelosi, center, walks with Taiwan’s Foreign Minister Joseph Wu, left, as she arrives in Taipei, Taiwan, Tuesday, Aug. 2, 2022. (Taiwan Ministry of Foreign Affairs via AP)

U.S. House Speaker Nancy Pelosi arrived in Taiwan on Tuesday night despite threats from Beijing of serious consequences, becoming the highest-ranking American official in 25 years to visit the self-ruled island claimed by China.

In this photo released by the Taiwan Presidential Office, U.S. Sen. Tammy Duckworth, D-Ill., left, meets with Taiwan's President Tsai Ing-wen at the Presidential Office in Taipei, Taiwan, Tuesday, May 31, 2022. On a visit to Taiwan, reiterated support for the island amid rising Chinese threats. (Taiwan Presidential Office via AP)
China sent 30 military aircraft toward Taiwan on Monday in an ongoing campaign of regular flights. Taiwan’s Defense Ministry said it responded by scrambling jets, putting air defense missile systems on alert and issuing radio warnings.
U.S. President Joe Biden attends a press conference with Japan's Prime Minister Fumio Kishida at Akasaka Palace state guest house in Tokyo Monday, May 23, 2022. (Nicolas Datiche / Pool Photo via AP)

The confusion is a reminder of Washington’s stance of “strategic ambiguity” when it comes to Taiwan — essentially, leaving China guessing about what exactly the U.S. would do if there was an invasion.

An instructor trains members of Ukraine’s Territorial Defense Forces, volunteer military units of the Armed Forces, in a city park in Kyiv, Ukraine, Saturday, Jan. 22, 2022. Dozens of civilians have been joining Ukraine’s army reserves in recent weeks amid fears about Russian invasion. (AP Photo / Efrem Lukatsky)

At President Biden’s direction, the Pentagon is putting about 8,500 U.S.-based troops on heightened alert for potential deployment to Europe amid rising fears of a possible Russian military move on Ukraine.

A visitor to the Shougang Park walks past a sculpture for the Beijing Winter Olympics in Beijing, China, Tuesday, Nov. 9, 2021. (AP Photo / Ng Han Guan)

China dismissed the decision by Canada and the United Kingdom to join Washington’s diplomatic boycott of the 2022 Beijing Winter Olympic Games as a “farce.” 

Russian President Vladimir Putin is shown during his talks with U.S. President Joe Biden via videoconference in the Bocharov Ruchei residence in the Black Sea resort of Sochi, Russia, Tuesday, Dec. 7, 2021. (Mikhail Metzel, Sputnik, Kremlin Pool Photo via AP)

With tens of thousands of Russian troops massed on the Ukraine border, the highly anticipated call between the two leaders came amid growing worries by the U.S. and Western allies about Russia’s threat to its neighbor.

A customer shows to a photographer traditional Russian wooden dolls called Matreska of Russian President Vladimir Putin, center, and U.S. President Joe Biden, center right, at a souvenirs store in Moscow, Russia, Monday, Dec. 6, 2021. (AP Photo / Pavel Golovkin)

The dispute over Ukraine’s status and its growing alignment with U.S.-led NATO will be at the center of President Vladimir Putin’s video meeting Tuesday with President Joe Biden, whose administration says an extensive Russian military buildup near Ukraine points to a potential invasion.

Thousands of immigrant-rights advocates, including some with Illinois organizations, protest in Washington, Sept. 23, 2021. (Courtesy Illinois Coalition for Immigrant and Refugee Rights)

Thousands of immigrant-rights advocates, including some with Illinois organizations, marched in Washington on Thursday to demand congressional leaders create a legal pathway to citizenship for 11 million undocumented immigrants in the U.S. 

President Joe Biden delivers remarks to the 76th Session of the United Nations General Assembly, Tuesday, Sept. 21, 2021, in New York. (AP Photo / Evan Vucci)

President Joe Biden summoned the world’s nations to forcefully address the festering global issues of the COVID-19 pandemic, climate change and human rights abuses in his first address before the U.N. General Assembly on Tuesday. 

Mexican Foreign Secretary Marcelo Ebrard,, left, accompanied by, Vice President Kamala Harris, right, speaks at a U.S.-Mexico High Level Economic Dialogue meeting in the Indian Treaty Room in the Eisenhower Executive Office Building on the White House Campus in Washington, Thursday, Sept. 9, 2021. (AP Photo / Andrew Harnik)

The United States and Mexico restarted high-level economic talks Sept. 9 after a four-year pause as top advisers to presidents Joe Biden and Andrés Manuel López Obrador expressed eagerness to make headway on issues important to both nations such as infrastructure, trade and migration.

 Afghan refugees line up for food in a dining hall at Fort Bliss’ Doña Ana Village, in New Mexico, where they are being housed, Friday, Sept. 10, 2021. (AP Photo / David Goldman)

The Biden administration on Wednesday began notifying governors and state refugee coordinators across the country about how many Afghan evacuees from among the first group of nearly 37,000 arrivals are slated to be resettled in their states.

A man walks with a child through Fort Bliss' Doña Ana Village where Afghan refugees are being housed, in New Mexico, Friday, Sept. 10, 2021.

Nearly 10,000 Afghan evacuees are staying at the base while they undergo medical and security checks before being resettled in the United States. 

Afghan refugees are processed inside Hangar 5 at the Ramstein U.S. Air Base in Germany Wednesday, Sept. 8, 2021. (Olivier Douliery / Pool Photo via AP)

The U.S. has halted all U.S.-bound flights of Afghan evacuees from two main bases overseas after discovering a limited measles outbreak among Afghans arriving in the United States, a hitch that American officials warned will have a severe impact on an often-troubled U.S.-run evacuation.

FILE - In this Aug. 29, 2021, file photo families evacuated from Kabul, Afghanistan, walk past a U.S Air Force plane that they arrived on at Kosovo's capital Pristina International Airport. (AP Photo / Visar Kryeziu, File)

An ardent U.S. ally, Kosovo, has agreed to take in Afghanistan evacuees who fail to clear initial rounds of screening and host them for up to a year, a U.S. official said Saturday.

Families evacuated from Kabul, Afghanistan, walk through the terminal before boarding a bus after they arrived at Washington Dulles International Airport, in Chantilly, Va., on Thursday, Sept. 2, 2021. (AP Photo / Jose Luis Magana)

At least 50,000 Afghans are expected to be admitted into the United States following the fall of Kabul as part of an “enduring commitment” to help people who aided the American war effort and others who are particularly vulnerable under Taliban rule, the secretary of homeland security said Friday.