Last night, Ms. Vega popped over to 30 Rock with "Caramel," the The Truth About Cats & Dogs hit reworked on her new record Suzanne Vega Close-Up Vol. 1, Love Songs. However for this web-only clip, the Fallon gang coaxed her to join the Roots and dust off those "doo-doo"s and offer a take the on all-time classic "Tom's Diner." ...