one of jim hark markham's early secrets to success was offer free haircuts to celebrities, a risky movet paid off. once they got hooked he charge $55 a cut in the mid '70s, about $250 in today's market. >>> speaking of millions he'll have to pay up to have lunch with billionaire investor warren buffett. his annual lunch auction has drawn offers exceeding $2.5 million. the bidding on ebay, which ends late tonight, has already topped last year's winning bid. the proceeds go to a san francisco-based charity that helps with the homeless. >>> that will do it for "nightly business report." i'm sue herera. thanks for joining us. this is the time of year that your public television station seeks. >> i'm tyler mathisen. we here at nbr thank you for your support. have a great weekend, see you . >> a huge week in politics. a history making turn for hillary clinton. and stumbles and setback,for bernie sanders and donald trump. we examine the fallout tonight on "washington week." >> thanks to you, we've reached a milestone. the first time in our nation's history that a woman will be a major party no