Birds fly over containment booms placed to try to stop oil from reaching the shoreline along the South Pass, south of Venice, La. Oil from a massive rig explosion threatens the region's wildlife. Eric Gay/AP hide caption itoggle caption Eric Gay/AP Environment Containment Booms No Help; Slick Oozes To Shore May 1, 2010 Rough seas in the Gulf of Mexico are challenging efforts to contain the spill from a sunken offshore oil rig. The sheen has already reached the shores of Louisiana. President Obama plans to visit the Gulf Coast on Sunday morning for a firsthand update on the massive spill.