SAN FRANCISCO — Outside the visitors’ clubhouse in Miami this past Sunday, in front of the temporary backdrop the Giants’ PR department hauls with them on the road, I was struck by a sense of déjà vu. There was Tony Vitello, giving almost an identical answer to a similar question I had asked a little over a month earlier. How, as a first-year manager, would he hold to account one of his highly paid, highly prideful Giants veteran leader’s very publicly misbehaving?