Amy Poehler appears during the opening segment with impersonator Amy Poehler . Clinton appeared on the show ahead of several do-or-die primaries that will determine the fate of her campaign . Clinton mentions upcoming primary states in opening line , `` It is Saturday late-night ! '' Her rival Sen. Barack Obama appeared on the show Saturday . Clinton referenced a recent Clinton skit during a debate in Ohio on last year .
Amy Poehler appears during the opening segment with impersonator Amy Poehler . Clinton mentions upcoming primary states in opening line , `` It is Saturday late-night ! '' Her rival Sen. Barack Obama appeared on the show Saturday . Clinton referenced a recent Clinton skit during a debate in Ohio on last year .