premise: If he hadn't been assassinated in 1978 at 48, <hypo>.
hypothesis: <hypo> should be "he would've no doubt been a guiding force and leading fighter for full state and federal equality of LGBT citizens, and the steadily-rising poll numbers for marriage equality (61% now) would've made him cheer as much as the Trump administration's rollback of LGBT-friendly federal policies would've made him bristle"