Outside groups are already spending more than $5 million in hopes of unseating GOP Rep. Thomas Massie of Kentucky in a May primary after President Trump called for his defeat.  So far, federal campaign finance records show that anti-Massie forces have dominated much of the outside spending picture in the Kentucky contest where the congressman is facing a pro-Trump challenge from Ed Gallrein, whose campaign website describes him as a farmer who has also served in the U.S. Navy. Spending