Rep. Tony Gonzales announces he will not seek re-election amid House Ethics investigation into affair

Rep. Tony Gonzales, R-Texas, announced Thursday evening he will not seek re-election amid a House Ethics investigation into an affair he admitted to having with a former staffer.

Gonzales, a married father of 6, admitted to the affair for the first time on Wednesday – a day after advancing to the GOP primary runoff for his congressional district.

"At 18, I swore an oath to defend our nation against all enemies, foreign and domestic. During my 20 years in the military and three terms in Congress...