{Kevin Costner, Stephen Baldwin in court as trial opens over BP deal for Gulf spill clean|Updated at 2:35 p.m|No one in the pool said they would feel influenced|Baldwin and his friend, Spyridon Contogouris, said they didn’t know about the deal when they agreed to sell their shares of Ocean Therapy Solutions, a company that marketed the centrifuges to BP, for $1.4 million and $500,000, respectively|