 Gingrich also said that if president, he might ignore a Supreme Court ruling recognizing a constitutional right to same-sex marriage.Gingrich has frequently criticized what he termed "judicial activism" and in an appearance on "Face the Nation" in 2011 suggested that Congress should subpoena federal judges and force them to explain themselves before Congress.When host Bob Schieffer asked how he would force federal judges to comply with congressional subpoenas, Gingrich said he would send the U.S. Capitol Police or U.S.