Amazing Grace. By James Walvin. University of California Press; 216 pages; $19.95 and £16.99 A short but fascinating book by James Walvin, a professor at the University of York and an expert on ...

Here's what led to the president singing at the funeral service. — -- President Obama’s singing of “Amazing Grace” during the eulogy for Rev. Clementa Pinckney, who was killed last month in a ...