billion from unpaid taxes dating back to '99. renaissance says it is disputing the tax bill and it is currently being reviewed by an independent branch of the irs. in that time period, bob and his daughter rebecca began donating big time to political candidates. they found a kindred spirit, steve bannon. they funded his website breitbart. enter the presidential campaign. the mercers initially cozied up to ted cruz who promised to abolish the irs if elected until donald trump's insurgent candidacy started to take off. the pair stood behind trump through the rockyist of times in his candidacy, including the access hollywood tape, helping to propel him, of course, to the presidency. steve bannon briefly to the position of white house chief strategy. now trump will appoint a new irs commissioner when the current chief's term expired in just nine days. a position that does not require senate confirmation. and that new tax chief can