Republican Tony Gonzales to step down from Congress amid expulsion threat

Gonzales, who admitted affair with aide who later died by suicide, says he will file retirement from office on Tuesday

Representative Tony Gonzales, a Republican from Texas, announced on Monday he was stepping down from Congress after acknowledging an extramarital affair with a staffer.

Gonzales, who was facing a growing threat of expulsion by his colleagues, admitted last month that he had an affair with an aide who later died by suicide.