environmentalists and the white house. >> one of the big mistakes bp made and many companies make is they put one person in charge of everything. >> there's no question we're going to learn a lot from this accident in the gulf coast. >> reporter: by july, hayward was on the way out. bob dudley was promoted to ceo later that year. a new ceo helped take off some of the heat coming from capitol hill and the white house. what about safety and risk management? in a video just launched on bp's website, dudley details how bp has restructured. >> looking to the future, it also explains the changes we're making in bp today to put safety and risk management at the heart of everything we do. >> reporter: another big change? bp the oil giant is just a bit smaller as it sells $30 billion worth of assets as part of putting $41 billion aside to pay for the gulf disaster. bp does have plans, of course, to grow again.