WATERVILLE, Maine—A New Hampshire-based group is putting up billboards with a goal of spreading the word about a missing toddler from Maine.   Full Story

BALTIMORE—A presidential historian is expected to plead guilty in a case in which he is accused of stealing documents signed by leading figures throughout western history.   Full Story

COLORADO SPRINGS, Colo.—Republican Rick Santorum is planning some last-minute campaigning in each of the three states holding presidential contests Tuesday.   Full Story

MORGANTOWN, W.Va.—West Virginia University's Center for Excellence in Disabilities is recruiting families of autistic children for a study and free behavioral therapy training.   Full Story

PHILADELPHIA—A funeral Mass for the former spiritual leader of Philadelphia's 1.5 million Catholics will be held Tuesday afternoon at the Cathedral Basilica of Saints Peter and Paul in Philadelphia.   Full Story

PHILADELPHIA—It's a familiar tale: Science genius, smart girlfriend, her hot-shot brother, and a football-player-turned-accomplished-pilot travel to space, get bombarded by cosmic rays and come back a foursome with fantastic powers.   Full Story

(AP Photo/Charles Rex Arbogast)

ST. PAUL, Minn.—In presidential politics, Minnesota is as close to a Democratic fortress as states come.   Full Story

HARRISBURG, Pa.—Pennsylvania's next budget year will be the fourth in a row saddled with a projected deficit, and lawmakers expect Gov.   Full Story

(AP Photo/Charles Rex Arbogast)

GOLDEN, Colo.—Mitt Romney hopes his presidential campaign hasn't ignored Rick Santorum's aggressive attacks for too long, as caucuses in Colorado and Minnesota on Tuesday could reshuffle the race for the Republican presidential nomination.   Full Story

LAS VEGAS—After back-to-back fiascos in Nevada and Iowa, the term "caucus" may be on its way to becoming a bad word in the GOP lexicon.   Full Story