Steve Kornacki previews the 10 key counties to watch as John Cornyn faces Ken Paxton in the Texas Republican Senate primary runoff election.

President Donald Trump has reinforced his sway with Republican primary voters. But that success has not translated to the halls of the Capitol.

In today’s edition, Jonathan Allen shares his top takeaway from President Donald Trump’s efforts this month to unseat fellow Republicans.

In today’s edition, Jonathan Allen shares his top takeaway from President Donald Trump’s efforts this month to unseat fellow Republicans.

In today’s edition, Andrea Mitchell examines the next chapter in U.S.-Cuba relations after Raúl Castro’s indictment.

Steve Kornacki dives into the key places to watch in Rep. Thomas Massie’s district tonight as he tries to fend off a GOP primary challenger…

In today’s edition, Sahil Kapur takes stock of President Donald Trump’s efforts to unseat Republicans who have fallen out of favor with him.

In today’s edition, Kristen Welker wraps up President Donald Trump’s trip to China. Plus, we look ahead to next Tuesday’s key Republican Senate primary in…

In today’s edition, Jonathan Allen explores the delicate balance Republicans are attempting to strike for the midterms

The end could come as soon as this Saturday night for Louisiana Sen. Bill Cassidy, one of seven Republican senators who voted to convict President…