JUNE 1 (Reuters) — Dwayne Johnson’s “San Andreas” dominated the box office, earning $53.2 million in its opening weekend at 3,777 U.S. locations, crushing predictions of a $40 million launch for the Warner Bros.-New Line 3D disaster pic. Universal’s “Pitch Perfect 2” came in second at the box office, finishing with $14.8 million at 3,660 locations. The comedy sequel has outperformed expectations with a total of $147.5 million in 17 days in the U.S., and […]