Hillary Clinton became teary-eyed during an event at Yale University Monday - a moment that harkened back to her much talked-about display of emotion on the eve of the New Hampshire Primary.Clinton's last teary moment on the trail occurred after an undecided voter asked how she was holding up. The moment instantly became the most-covered event on the campaign trail on the day before the critical New Hampshire primary, drawing both praise from some who said Clinton had finally bared her true self to voters, and criticism from those who thought the moment was calculated.