‘Saturday Night’ review: Jason Reitman’s ‘SNL’ love letter is more infuriating than fun

‘Saturday Night’ review: Jason Reitman’s ‘SNL’ love letter is more infuriating than fun

As its 50th anniversary nears, Saturday Night Live is unquestionably an institution, not only in comedy or in late-night TV but in American pop culture itself. It has launched countless comedians, cemented the arrival of up-and-coming musical acts, spawned iconic characters, and even influenced politics, through its much-covered casting and guest stars. With his new…