Chrysler’s ad, “Halftime in America” starring Clint Eastwood, stood out among this year’s Super Bowl lineup. Beautifully filmed and powerfully written, it stars one of Hollywood’s most-famous (and, truth be told, most-liberal) Republicans. And its big-tent, we’re-all-in-this-together tone can’t be missed. Chrysler traded the attitude of last year’s Eminem…