Back in 2015, the House Republican majority changed the rules in the House to make it easier for them to subpoena the Obama administration. Rather than involve members of the Democratic minority in the process at all, they simply authorized their own committee chairs to unilaterally issue subpoenas to anyone they wished.
Come January, that may well come back to haunt the dwindling number of Republicans left in the U.S. House of Representatives. The result: for the first time, Donald Trump and his administration may soon face some real oversight.
(click here to continue reading GOP made it easier to subpoena presidential administrations in 2015. Now Democrats have that power. – ThinkProgress.)