Two races in Washington could tip scales in Congress

With control of Congress potentially hanging in the balance, Democratic candidates took early leads Tuesday night in two key races in Washington state. But the state’s vote-by-mail system means final results likely won’t be known for days.

Control of the U.S. Senate: What are we waiting for?

The balance of power in the U.S. Senate is less certain after the Democrats' surprisingly strong showing in nearly every state not named Florida. Here's where things stand in the few close states.