GOP Rep. Chris Gibson cruised to reelection Tuesday, derailing the political dreams of wealthy Democratic candidate Sean Eldridge. Eldridge, the 28-year-old husband of Facebook billionaire and New Republic publisher Chris Hughes, spent nearly $3 million on his quest to win New York’s Hudson Valley-based 19th District. Eldridge conceded with Gibson holding a 65 percent to 35 percent lead. Twenty-eight percent of precincts were reporting. Gibson, a decorated Army veteran, has held the seat since 2011 and managed to win over many Democrats, building a solid lead over Eldridge, who moved to the district only a few years ago. Eldridge tried...