Republicans have already given up on three GOP-held seats – and two other races

National Republicans are pulling out of a handful of House races less than a month before the midterms, abandoning two sitting GOP lawmakers as the party tries to keep its losses from spreading.Super PACs aligned with President Donald Trump and House GOP leadership canceled all remaining ad reservations over the weekend for Rep. Tom Kean Jr. (R-NJ) and Rep. Mariannette Miller-Meeks (R-IA), three people with...