NEW YORK | Tue Jul 10, 2012 5:16pm EDT NEW YORK (Reuters) - Most people have been there, trapped on an awkward date that is going nowhere. But relief could be on the way with a new app that provides an incoming rescue call.The Bad Date Rescue app, which was launched by the dating website eHarmony.com this week, lets users arrange for a call to appear on their iPhone to graciously allow them to bow out if a date isn't going well."There are all sorts of reasons for why people would want to get out of a date," said Arvind Mishra, director of product...