GAINESVILLE, Fla. (AP) — FBI agents visited Thursday with a minister of a small Florida church that plans to burn the Quran on Saturday, as public safety became a paramount concern and President Barack Obama added his voice to the chorus of opposition. Elsewhere, hundreds of angry Afghans burned an American flag and chanted “Death to the Christians” to protest the planned burning of Islam’s holiest text. Obama urged the Rev. Terry Jones to “listen to those better angels” and call off his plan.In an interview with ABC’s “Good Morning America,” Obama said what Jones proposes “is completely contrary to our values as Americans.