With the midterm elections just a few weeks away, the White House knows it has to go all in on Senate races—while virtually forfeiting the House.

America PAC’s approach has been unusual: for every dollar it has spent supporting GOP Senate candidates, it has spent almost three dollars attacking Democrats.

President Donald Trump still thinks Republicans have a shot. His aides are less convinced.

As the US and China race to become the dominant power in the AI industry, the countries also appear to be figuring out ways to communicate on national security issues.