News roundup: LSU graduates 3,735 at 280th commencement … Gauge of U.S. economy’s future health up in April … Future retirees at risk of downward mobility, Pew finds

Book ends: When LSU wraps up its 280th commencement ceremonies later today, it will have handed out 3,735 degrees, including 22 to faculty and staff members. The ceremonies feature 416 people who grad…