Further evidence that this is the summer of Republicans' discontent: Just as one group of well-heeled Iowans jets east today in hopes of persuading New Jersey Gov. Chris Christie to reconsider the 2012 GOP presidential race, another group of monied types is launching DraftRyanNow.com, an online petition -- and, they hope, national movement -- to coax House Budget Committee Chairman Paul Ryan, R-Wis., into the contest.