The Daily Show

Why So Serious, Lewis Black?

Lest you think Grammy-winning comedian Lewis Black is all about frothing anger and spittle-flecked tirades, the 64-year-old veteran of "The Daily Show" has a message for you: His blood pressure is actually quite healthy.

Why So Serious, Demetri Martin?

Demetri Martin's thin frame, quiet demeanor and thoughtful jokes don't exactly cast him as a burly, cold-weather type. But he's embracing frosty locales as part of his "Cold Places" tour, which kicked off in Canada earlier this month and which takes him through the northern U.S.