Christie Supporters Launch Super PAC

New Jersey Gov. Chris Christie’s allies have launched a new super PAC to beef up the presidential hopeful’s campaign-in-waiting, allowing his supporters to raise unlimited sums of money and bucking critics who say his potential White House bid is already in trouble.

Phil Cox, the former executive director to the Republican Governors Association, on Thursday launched the America Leads super PAC amid an increasingly fierce competition for top donors among potential GOP candidates. Cox, who worked for Christie when he chaired the RGA during the 2014 election cycle, will serve...