Heather and Nick Maberry are sharing their story in the hopes that Kentucky lawmakers will revise abortion laws. (CNN)

A clinic in Chicago performed the procedure

The family’s ordeal started in April, when Heather was nearly five months pregnant and they found out their daughter was missing a major part of the brain, a condition called anencephaly. They say their doctors told them she would either be stillborn or die very quickly after birth.

Not that long ago, air pollution from burning coal made the Windy City more like the Smoggy City. Geoffrey Baer tells us how Chicago cleaned up its act.