President Obama publicly attended church Sunday morning for the first time in nearly six months, and shortly after a major survey showed that only a third of Americans can correctly identify Obama's faith as Christian. The first family attended the 9 a.m. service at St. John's Church Lafayette Square, an Episcopal congregation about a block from the White House. The Obamas - the president, first lady Michelle and daughters Malia and Sasha - made the trip on foot. The family sat a few rows from the altar, among roughly 40 worshippers. Each family member received communion, led by the president....