Southern Methodist University officials on Tuesday revised a policy that aimed to protect students from "harmful or triggering" messages after a dispute erupted over an annual 9/11 installation that students had planned for the heart of campus. Nearly 3,000 flags have been placed on Southern Methodist University's Dallas Hall Lawn every year since 2010, but the group responsible for the display, Young Americans for Freedom, was recently told it must be moved. University officials told Grant Wolf, who leads SMU's Young Americans chapter, that the display can be placed only on Morrison-McGinnis Park, a less prominent campus location informally known...