Overview

• Elon Musk publicly endorsed Donald Trump for the first time, calling him 'tough' after an incident at a rally.
• Musk donated a sizable, undisclosed amount to America PAC, a group supporting Trump's campaign.
• The endorsement and donation come as Trump gains fundraising momentum against President Joe Biden.
• Musk's political involvement contrasts with his previous claims of staying out of politics.
• Criticism of Biden's policies and admiration for Trump's toughness have been key themes in Musk's recent statements.