RNS-BARACK-OBAMA

President Obama, shown here at the Brown Chapel AME Church in Selma, Ala., in 2007, invoked the cadence and rhythm of the black church in eulogizing the victims of the shootings in Tucson, Ariz. Religion News Service file photo by Linda Stelter.

President Obama, shown here at the Brown Chapel AME Church in Selma, Ala., in 2007, invoked the cadence and rhythm of the black church in eulogizing the victims of the shootings in Tucson, Ariz. Religion News Service file photo by Linda Stelter.

RNS-BARACK-OBAMA

President Obama, shown here at the Brown Chapel AME Church in Selma, Ala., in 2007, invoked the cadence and rhythm of the black church in eulogizing the victims of the shootings in Tucson, Ariz. Religion News Service file photo by Linda Stelter.