WASHINGTON — Congressional Republicans have for months repeatedly written to Attorney General Merrick Garland demanding he appoint a special counsel to investigate Hunter Biden, the president’s son, over his business dealings. Some even demanded that a specific man be named to lead the inquiry: David Weiss, the Donald Trump-appointed Delaware U.S. attorney who has long investigated the case. But Friday, after Garland elevated Weiss to special counsel status, Republicans in Congress reacted publi