COLUMBIA, S.C., Jan. 18 (UPI) -- Newt Gingrich, campaigning in South Carolina, said Wednesday his effective tax rate last year was 31 percent, more than double what Mitt Romney paid.
Gingrich, the former U.S. House speaker, told reporters he plans to release his 2011 tax returns Thursday, NBC News reported. He said the documents will show he paid 31 percent of his income last year in taxes.