President Barack Obama, center, greets Rev. Justin Monaghan, right, of St. Mary’s Catholic Church in Joplin, Mo., as Rev. Randy Gariss, left, of College Heights Christian Church in Joplin watches at a memorial service at Missouri Southern State University in Joplin, Mo., Sunday, May 29, 2011. Monaghan, who delivered the invocation at the service, survived the tornado in a bathtub in the church’s rectory while the rest of the building was almost totally destroyed. (AP Photo/Mark Schiefelbein)