Pearl Jam frontman Eddie Vedder covered Tom Petty's "The Waiting" and honored Gilda Radner, Chris Farley, Norm Macdonald, and others.

Amid 50 years of gut-busting comedy, the Lorne Michaels iconic sketch show has replaced humor with heartache during tear-inducing tributes to 9/11, mass shootings, wars and more, offering somber ...