April 13 (UPI) -- U.S. Rep. Tony Gonzales, R-Texas, said he will resign his seat in Congress after admitting that he had an affair with a former aide who died by suicide. Several members of Congress, across party lines, had said they were going to pursue votes to throw both Gonzales and Democratic U.S. Rep. Eric Swalwell , D-Calif., out of the House of Representatives over allegations they had sexual relationships with members of their staffs. Swalwell on Monday, after a weekend of ratcheting