Biden: Tying immigration to US budget would be mistake

US Republicans would be making a "mistake" if they use last-minute budget negotiations this month as leverage against the White House's controversial immigration order, Vice President Joe Biden warned on Tuesday. US lawmakers must strike a spending deal by December 11 in order to avoid a government shutdown, which would begin the following day if Congress does not act. Some conservative House Republicans are urging party leaders to put up a fight over the next nine days by finding