Hey, America, Your Roots Are Showing

You've heard of the Dog Whisperer? Meet the Ancestor Rescuer.

Part forensic scientist, part master sleuth, Megan Smolenyak has solved some of America's oldest and most fascinating genealogical mysteries. You've read the headlines; now get the inside story as the "Indiana Jones of genealogy" reveals how she cracked her news-making cases, became the face of this increasingly popular field--and redefined history along the way.

How did Smolenyak discover Barack Obama's Irish ancestry--and his r...