What if Hollywood, a key Democratic financial pillar, cut off Joe Biden’s campaign funding? That possibility now looms large after actor George Clooney and other wealthy donors urged the US president to withdraw from the White House race. “I love Joe Biden. But we need a new nominee,” Clooney wrote in a column in the New York Times on Wednesday, after Biden’s disastrous performance in a televised presidential debate against Republican rival, Donald Trump rekindled fears around the 81-year-old’s fitness for office. The statement dealt a serious blow to Biden, coming just three weeks after Clooney headlined a major fundraiser…