McCain: Trump 'diminishing America’s leadership'
![McCain: Trump 'diminishing America’s leadership'](http://thehill.com/sites/default/files/styles/promo/public/mccainjohn_05172018getty.jpg?itok=6-S4V7vp)
Sen. John McCain (R-Ariz.) excoriated President Trump on Friday for calling on Russia to be invited back to the Group of Seven, blasting the move as the “antithesis” of principled realism and “a sure path to diminishing America’s leadership in the...