White House declines to comment on IRS whistleblower, ABCNL

A new letter penned to lawmakers by the attorney of an IRS whistleblower suggests President Joe Bidens son, Hunter Biden, may have received preferential treatment in a DOJ investigation. WATCH the ABC News Live Stream Here: SUBSCRIBE to ABC NEWS: Watch More on LIKE ABC News on FACEBOOK FOLLOW ABC News on TWITTER: , ABCNLUpdate, WhiteHouse, IRS, Whistleblower, ABCNL, HunterBiden, DOJ