Bolton praises McCain, declines to apologize for White House staffer's remark
![Bolton praises McCain, declines to apologize for White House staffer's remark](http://thehill.com/sites/default/files/styles/promo/public/bolton_051318getty.jpg?itok=lvE1yYeQ)
National security adviser John Bolton on Sunday praised Sen. John McCain's (R-Ariz.) character, but declined to apologize for or condemn a staffer's recent comments mocking the senator's brain cancer diagnosis.The Hill first reported on...