Dwayne “The Rock” Johnson endorsed former Vice President Joe Biden and Sen. Kamala Harris, marking the first time he’s ever publicly thrown his weight behind a political candidate. With the exception of a brief flirtation with a 2020 presidential run himself, Johnson, 48, often takes great pains to remain apolitical at a time when Hollywood is seemingly filled to the brim with activism. However, the “Jumanji” actor took to Instagram, on Sunday, where he shared a video of a virtual conversation he had with the two Democratic candidates and officially gave them his public endorsement. “I’m going to be pushing...