By THOMAS BEAUMONT, Associated Press
In the first major flex of his influence since Donald Trump was elected, Elon Musk brought to a sudden halt a bipartisan budget proposal by posting constantly on his X megaphone and threatening Republicans with primary challenges.
The social media warnings from the world’s wealthiest man preceded Trump’s condemnation of a measure negotiated by GOP House Speaker Mike Johnson, which effectively killed the stopgap measure that was designed to prevent...