Musk Hoists GOP Banner, Tears Into Biden as US Probes His Empire

The world’s most famous entrepreneur is ratcheting up a battle with its most powerful government, as Elon Musk sharpens his critiques of President Joe Biden and aligns himself with Republicans in an acrimonious US culture war.

Musk on Friday complained that the White House “has done everything it can to sideline & ignore Tesla.” That’s after saying earlier this week that he would vote Republican, an embrace of a new, more partisan identity for someone who has never fit neatly into Washington’s tribal politics.

Musk, the chief executive officer of both Tesla Inc. and SpaceX, has dialed up his ...