Mitt Romney’s campaign was weathering a minor controversy by week’s end related to the resignation of a foreign policy aide who was gay, forcing the campaign to deny it had caved to fringe social conservatives who’d pressured Romney to fire the aide.“We wanted him to stay with our team. He's a very accomplished spokesperson, and we select people not based upon their ethnicity or sexual preference or gender, but their capability,” Romney said Friday on Fox News of the aide, Richard Grenell, who stepped down from the Romney campaign on Tuesday. Grenell was hired to act as Romney's spokesman on...