then dennis o'brien. ♪ the world economic forum in davos, switzerland, this is a special edition of "kers." welcome to "market makers." i'm stephanie ruhle. they're punishing eric and i for having such a good diamond davos, switzerland. it just got really cold. >> another big hour here on bloomberg television. two of the richest men in the world will be here. irish telecom mogul dennis the ceo of the biggest alumina manufacturer. the story everybody in the markets is talking about. the u.s. senators asking federal regulators to investigate the nutritional supplements company which is under bill ackman. peter cook has more. tell us what this really means. all, no publicly traded company wants a u.s. senator questioning his business practices, especially someone like the senator in massachusetts who has a track record. you can ask a long list of energy companies who tangled with him when he was over in the house when they entered his radar screen. he has been taking on companies in the past and doing damage in the past. he lists in these letters regulators extensive complaints from herb

given to bill o'brien who left the nittany lions nfl's houston texans roman is a native of ventor city, new jersey about 200 miles from happy valley >> gary: one more year at least for dennislen will return to raiders >> jacqueline: dennis allen will be back as raiders head coach next season raiders owner mark davis said earlier today that will with remain with the club saying he was "amused" by all the drama about his possible firing >> jacqueline: allen met with davis and today to map out rebuliding plans for a team that just finished their second straight 4-12 season both under allen oakland has gone 11 straight seasons without a playoff berth or winning record >> gary: johnny manzell has turned his last collegiate heroic. >> gary: manziel going to nfl >> gary: texas a&m quarterback. and last season's heisman trophy winner. johnny manziel announced he will enter the nfl draft today. forgoing his last two seasons in college station >> gary: manziel became the first freshman to win the heisman last season a feat repeated by jameis winston this year as he led the aggiest to an 11-2 season and a win over alabama >> gary: this past season he threw for 4,114 yards and 37 touc