That didn’t take long: Newt Gingrich has “humbly” asked Rick Santorum supporters to channel their support (read: money) to his campaign. The Gingrich camp, deeply in debt after dismal performances in recent primary races, released a statement minutes after Mr. Santorum’s exit from the Republican primary this afternoon, saying, “Rick has waged a remarkable campaign. His success is a testament to his tenacity and the power of conservative principles.” “I humbly ask Senator Santorum’s supporters to visit Newt.org to review my conservative record and join us as we bring these values to Tampa,” Mr. Gingrich’s statement continued. The former House...