Though rooting for opposite outcomes in the high-profile race to represent New York's 19th Congressional District, Democrats and Republicans share one sentiment: Both are excited that Sean Eldridge is in. On Sunday night, the 27-year-old husband of Facebook co-founder and New Republic owner Chris Hughes (pictured, left, with Eldridge) officially announced his long-expected bid to take on incumbent GOP Rep. Chris Gibson. “Instead of looking out for Wall Street and big oil, we need Washington to help our small businesses and our family farms,” he said in a slickly produced YouTube video that featured bucolic scenes of his newly adopted...