Interesting, NY Court of Appeals decision affirming an arbitration award despite a claim of partiality.  Check out the great write up from CPR!!

http://www.cpradr.org/Resources/ALLCPRArticles/tabid/265/ID/733/Arbitration-NYs-Top-Court-Sets-Evident-Partiality-Standard-for-Tribunal-Disclosure-Nov-15.aspx