At a campaign rally for Hillary Clinton yesterday, billionaire Warren Buffett absolutely tore into Donald Trump. The best highlights are below.

Warren Buffett explains how last time Donald Trump asked the public to bet on him, investors who trusted him lost 90% of their money:

After bringing up the Khizr Kahn controversy, Buffett asks Trump, “Have you no sense of decency, sir?”:

Buffett challenges Donald Trump to release his tax returns: “How many of you would be afraid to release your tax returns? You’d only be afraid if you have something to be afraid about.

Finally, Buffett pledges to personally drive at least 10 people to the polls on election day who would otherwise have difficulty getting there.