Now that New Jersey Gov. Chris Christie has announced he will not seek the 2012 GOP presidential nomination, all of the Republican donors, elected officials, and party activists pining for a savior to jump into the race must face the reality that the field is set. They need to channel Stephen Stills: “If you can’t be with the one you love, love the one you’re with.” No doubt the fundraisers for Mitt Romney and Rick Perry are tying up the phone lines into New York’s financial district, wooing donors who had either been holding out for Christie or had used...