Hey, America, Your Roots Are Showing:

The acclaimed genealogist and New York Times–bestselling author reveals how she solved some of the most fascinating mysteries of family lineage.
 
Part forensic scientist, part master sleuth, Megan Smolenyak has a unique way of digging up our historical roots. She discovered Barack Obama’s Irish ancestry—and his relation to Brad Pitt. She revealed the true story of Ellis Island’s first immigrant, ...