Checkers, Drunkard, Barney, Bo: Presidential pets have inhabited the White House since its beginning

Bo and Sunny, the two Portuguese water dogs adopted by then-President Barack Obama, were some of the most famous four-legged White House inhabitants of all time, but they certainly weren’t the first.

21 years ago, Bill Clinton became the second president to be impeached

Almost exactly 21 years after Congress impeached then-President Bill Clinton, Congress once again voted to approve articles of impeachment, this time against President Donald Trump. Here's a look back at the second presidential impeachment in American history.