Musk, arguably Trump’s most influential ally and a confidante, ended his speech at one of Monday’s inaugural celebrations by twice using a one-armed gesture that strongly resembled the Roman salute adopted by the Nazis and used regularly by white nationalist groups.

Elon Musk sparked controversy with a hand gesture that resembled a Nazi salute during his speech at President Donald Trump’s inaugural rally on Jan. 20. Carbonated drinks known as sparkling, fizzy, seltzer and soda waters are thought to impact the waistline. A new study weighs in, but don’t expect too much.