Senate leader Mitch McConnell has returned to Capitol Hill as concerns linger over his health. Do senators still believe he is fit to serve as the GOP leader?

Vice President Kamala Harris has dismissed doubts about President Joe Biden's age. In an exclusive interview with the Associated Press, she described a question about stepping into the role of president as "hypothetical," but said she was ready for the task.

An organization aligned with House Democrats is set to spend $20 million to mobilize voters ahead of next year's elections.