Bolton says Trump tied Ukraine funds to probe

President Donald Trump said he wanted to maintain a freeze on military assistance to Ukraine until it aided political investigations into his Democratic rivals, former national security adviser John Bolton recounts in a draft of his forthcoming book.

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.