the causes of the gulf oil disaster. the company is laying much the blame on rig owner transocean and cementing contractor halliburton. bp also criticizes its own team for misreading a pressure test. an investigation into a threat on a plane is moving forward. someone wrote on a larger to mirror there was a bomb on board. investigators found no bomb. tourists from 36 nations have to pay a travel fee to visit the u.s. most of the $14 fee goes to promoting the u.s.s a a tourist destination. severe floods ravaging pakistan and disease putting hundreds of thousands of people at risk. dr. sanjay gupta just returned from pakistan. angelina jolie says after watching sanjay s reports, she went to pakistan to see things