The stars of this year’s Super Bowl weren’t the Broncos and Seahawks but the adorable Labrador puppy and muscular Clydesdale featured in a 60-second Budweiser beer commercial.  At last count, the ad had more than 40 million views on YouTube.  Pollster Frank Luntz noted on CBS This Morning that women and men in a focus group he arranged to watch the big game ads were deeply moved by it, some to tears.  So why is this commercial so powerful?