With Sarah Palin’s surprise announcement that she’s resigning, she joins the ranks of Mark Sanford and John Ensign as once-promising 2012 contenders who have disappointed their party. Can Palin bounce back from her bewildering, much-panned Friday evening resignation announcement? Only time will tell. In the meantime, pundits, are left speculating and dissecting the fallen star. Mostly notably NBC News’ Andrea Mitchell, who said that Palin has “had it” with politics.