Elon Musk has given $75 million, so far, to put Donald Trump back in the White House  NPRElon Musk and other billionaires invest staggering sums into electing Trump, plus other takeaways from third-quarter filings  CNNHarris says ‘Trump must never again’ be president at campaign event with more than 100 Republicans – US elections live  The Guardian USElon Musk gave $75 million to PAC backing Donald Trump for president  USA TODAYElon Musk donates $75m to help Trump campaign  Sky News