Biden Jokes About His Opponent’s Age — and His Own — During Roast

washington — The big news this week, U.S. President Joe Biden said at a weekend Washington roast, was that two candidates had clinched their party’s nomination for president. But one was too old, too mentally unfit for the job, he said.  “The other’s me,” Bidden quipped.  The digs against Republican Donald Trump kept coming from the president at the annual Gridiron Club and Foundation Dinner, as Biden deflected ongoing criticism that his memory is hazy and he appears confused, instead highlighting moments when the 77-year-old Trump has slipped up, too.  “Don’t tell him, he thinks he’s running against Barack Obama, that’smore