 Working in the heat, it really drains you. Sofia Perez is a lifeguard at Marie Kerr Pool and says she's thankful outside workers have additional protections out here in this heat. Texas is battening down the hatches ahead of Beryl Mike Brennan at the National Hurricane Center. We're not expecting a lot of intensification with Beryl today, but we are expecting it to move into a more favorable environment as it nears the coast of Texas beginning Sunday and then continuing up until landfall on Monday. CBS News Brief, I'm Allison Keys.