“Saturday Night Live” rolled out two President Bidens – one from the present day and one from eight years ago – as the show targeted the “in the dumpster” ratings of the commander-in-chief.The cold open began with White House press secretary Jen Psaki walking into the Oval Office to talk to Biden, played by James Austin Johnson, about the ratings from his CNN Town Hall last week. ”Jen Psaki, you’re dynamite in those briefings, with your quips and one-liners,” Biden told Psaki, played by