The first gate has been opened on the Mississippi River's Morganza Spillway to relieve pressure on levees protecting Baton Rouge and New Orleans. Yesterday, CNN's Ed Lavandera was there as preparations began.
Will one gate be enough? And how has it affected seven Louisiana parishes in the path of gushing floodwaters? We'll have the latest when CNN Sunday Morning with T.J. Holmes begins at 6am ET/ 3am PT.