Daniel Ellsberg speaks during an interview in Los Angeles on Sept. 23, 2009. (AP Photo / Nick Ut, File)

Daniel Ellsberg, the history-making whistleblower who by leaking the Pentagon Papers revealed longtime government doubts and deceit about the Vietnam War and inspired acts of retaliation by President Richard Nixon that helped lead to his resignation, has died.

(Courtesy Jill Wine-Banks)

She broke many barriers as an attorney in a male-dominated arena, but perhaps her greatest battle was as a tough-questioning prosecutor in the Watergate case. We speak with Chicago native Jill Wine-Banks.

Chicago is fighting for the winning bid of President Barack Obama's presidential library and museum. These institutions were originally created to provide access to presidential records, but author Anthony Clark argues they've become platforms for a president to promote his legacy, not accurately exhibit history.

Former White House counsel John Dean talks about the Watergate cover-up, that missing 18 and a half minutes of tape, and what the president knew and when he knew it.

Pulitzer Prize-winner Hedrick Smith examines the roots of American income inequality.