the canterbury. -- they can't breathe. will we release the claim? it will be a challenge. it is done every day in every court, jury tell law firm in this country deals with these problems, every day. nothing new about that. >> is the $20 billion a fixed sum? >>no, if it is insufficient, bp has promised to honor any additional financial obligations they may have. >> last question. >> thank you very much. i'm sorry. i apologized [applause] . [captioning performed by national captioning institute] [captions copyright national cable satellite corp. 2010]