Article Photos: Oklahoma tornadoes: OU's Merv Johnson 'was extremely lucky, but I wasn't very smart' with weather decisions 156/505

Sheri Bittle and her son Kaden Fitz, 9 walk on a sidewalk at Briarwood Elementary School in Oklahoma City , Thursday May 23, 2013. Bittle teaches 1st grade and her son is in 3rd grade. They both rode out the tornado in the school. Photo By Steve Gooch, The Oklahoman