By:
Rachel Vigoda, JE Feature
Laya Bitman is expecting 75 people at her family reunion in Baltimore this weekend. The other 15,925 can't make it. For the past 17 years, Bitman has been constructing her family tree, tying together 16,000 relatives from Philadelphia, where she grew up, and Baltimore, where she now lives, as well as New York, New Jersey, Connecticut, Massachusetts, Virginia, Georgia, Florida,...