WASHINGTON — Lefty California Rep. Ro Khanna on Sunday detailed why it’s time to finally chuck Chuck. The Dem congressman said the failed tactics of Senate Minority Leader Chuck Schumer (D-NY) during the government shutdown were the “final straw” and urged his party to find new leadership for the upper chamber, despite some of his colleagues railing against the Democratic infighting. “[Schumer] doesn’t inspire confidence. He’s not bold. He’s out of touch with the grassroots. He’s someone who