Billionaire Elon Musk was ripped in a post online by Anti-Defamation League (ADL) CEO Jonathan Greenblatt for "offensive" and ...

After defending Musk's viral salute, The Anti-Defamation League is criticizing the tech billionaire for making a series of Holocaust jokes.

Elon Musk decided it would be a fun idea to hop on the social-media site he purchased and rattle off a few Nazi puns. Predictably, it didn't go well.