Corporate accountability expert Katherine Sawyer discusses the investigation that could force the oil giant to pony up.

Watch clips from the second part of Bill's interview with environmentalist David Suzuki on how obstruction and greed is killing us when it comes to climate change.

How two men used the "tobacco strategy" to try to take down an esteemed scientist because they disagreed with his conclusion that global warming is caused by greenhouse gases.

Have Big Tobacco companies grown so powerful they can disregard international law?