The 39-year-old senator has become an internet sensation for Democrats seeking a 2028 contender. He says he's focused on winning a second term in November.
The leaders of the Georgia legislature pulled the plug on gerrymandering away U.S. House seats held by Black Democrats just hours before a special session was to begin.
Ms. Collins, a Republican in Maine facing a tough re-election battle, defended her vote to confirm Justice Brett M. Kavanaugh as Democrats look to capitalize on it politically.