Obama's Greatest PDA Moments

It's bad enough to be single and watch happy couples being all cute in public. But now we have a PDA-prone Democratic presidential candidate to make us feel extra-lonely on those long, cold nights.

Rubbing salt in open wounds, Huffington Post has rounded up a slideshow of Barack and Michelle Obama nuzzling, kissing and cuddling. The couple has already earned praise for being a model of a healthy, happy relationship. I mean, really, how in-love are these two? It's enough to melt a Republican's heart!