Rachel Lehmann-Haupt

Rachel Lehmann-Haupt is the author of In Her Own Sweet Time: Unexpected Adventures in Finding Love, Commitment and Motherhood (Basic Books, 2009). Visit her at lehmannhaupt.com.

The Hidden Jews

This week, an al Qaeda spokesman revealed he has Jewish ancestry. How DNA testing is unearthing Judaism in the roots of unlikely family trees—and even prompting some people to convert.