Republican Rep. Tom Kean of New Jersey returned to Congress on Tuesday after being absent without explanation for nearly four months. Kean took to the House floor and revealed a depression diagnosis.

A new exhibit, The Declaration's Promise, celebrates America's independence and showcases how phrases such as "all men are created equal," evolved. Nikole Killion has more.

Sayed, faced off Tuesday night in a debate that many saw as a battle between moderate and progressive Democrats. Nikole Killion reports.

President Trump had a testy meeting with Republican senators focused mostly on the Iran war, sources say. CBS News' Taurean Small and Nikole Killion have the latest. Woman is the only passenger on ...

Michigan Democrats Abdul El-Sayed and Haley Stevens debated on Tuesday as the state's primary nears. CBS News' Nikole Killion ...