In pictures: on the campaign trail

A confident Barack Obama gets set to tuck into a meal in New Orleans; Hillary Clinton warily eyes heavy machinery at a Virginia automobile plant; Mike Huckabee feels the heat during a press conference. As this photo-essay shows, Super Tuesday may have passed, but the remaining candidates for both parties are still on the stump 24/7, touring small-town TV stations and gladhanding at political rallies to extract every last vote from the electorate.

FIRST POSTED FEBRUARY 12, 2008