Article continues below advertisementA single joke on Saturday Night Live has once again blurred the line between comedy and politics - this time with help from the White House itself.During the show's "Weekend Update" segment, cast member Michael Che referenced President Donald Trump attending a performance of Chicago at the Kennedy Center."I mean, what's the worst that could happen?" he said. The pointed reference to the assassination of President Abraham Lincoln at a theater drew laughs from the studio audience and quickly began circulating online.