Washington — It's holiday time at the White House. After a rare wedding and the president's milestone 80th birthday, the White House on Monday plunged into the holiday season with the annual pardoning of Thanksgiving turkeys, the arrival of the official Christmas tree and serving up a Thanksgiving-style dinner on a military base. The burst of holiday activity at the White House follows a busy weekend personally for President Biden and his family and comes after midterm elections earlier this month that saw the president's Democratic Party perform better than expected. Democrats kept control of the Senate and although the House will shift to Republican control come January, GOP gains in that chamber were held to a minimum. Mr. Biden and his wife, Jill, leave Washington on Tuesday for their family tradition of spending Thanksgiving on the Massachusetts island of Nantucket. They hosted the wedding of their granddaughter, Naomi Biden, at the White House on Saturday, followed by a brunch fo