trump's team defending don jr.'s role on the transition executive committee. vetting candidates for cabinet positions. transition members argued none of it blurred the lines between trump's business and the government. >> the position team has been transparent. and the fact that, that -- donald trump jr. is on the, transition team. that he is the whun one helping discovery. >> coming up the first son trades the campaign trail for the corner office. stepping into his father's shoes. >> he has agreed to step away from everything that has the to do with the trump organization. he is -- turning over management of his, wildly successful business to his two sons. ♪ ♪ award winning interface. award winning design. award winning engine.