His attitude can get mercurial and every stroll down the line on a weak ground ball makes me burn with Trot Nixon-like intensity. But there will never be a time I don’t give David Ortiz the mulligan. His home runs this week — not to mention his hands-raised crossing of first base that’s just begging for the “Chariots of Fire” theme music — are further justification. At least in my booze-addled mind.