© Reuters. Mark Zuckerberg, founder and CEO of Facebook, and wife Priscilla Chan arrive on the red carpet during the 2nd annual Breakthrough Prize Award in Mountain View, California SAN FRANCISCO (Reuters) - Facebook Inc (NASDAQ:FB) Chief Executive Mark Zuckerberg and his wife, Priscilla Chan, are expecting a baby girl, he said on his Facebook page on Friday. The couple, who married in 2012, have been trying to have a child and had three miscarriages, he wrote. Zuckerberg, 31, did not say when their... More