WASHINGTON (Reuters) – A top Republican on Tuesday called on Democratic Representative Anthony Weiner to resign, saying Congress cannot afford to be distracted by the sexually charged photos and tweets he sent to women. House Republican Leader Eric Cantor of Virginia became the first top lawmaker to say that Weiner, an outspoken liberal who easily won a seventh two-year term in the House of Representatives last year, "should resign". "We've got a lot of serious challenges going on in this country and a lot of work for Congress to do. The last thing we need is to be immersed in...