Mitt Romney was surrounded by grandkids during his presidential run and no one ever ventured the question, let alone the thought, that he might not be a good grandfather or was not involved enough in their lives. But 66, for a woman in the political arena (and other arenas as well), is a different story. Unlike a man, a woman's "shelf-life" seems to be limited when she is described, even in her 60s, as a grandmother.
In assessing the damage to a possible Christie 2016 candidacy, many are making the mistake of only looking at his chances in the general election. But to get to the general election, Christie has to win the Republican nomination. And the electorate for these primary contests is going to be radically different than the general election voting pool.