Republican US Senator John McCain has turned down a post as advisor to Ukraine's pro-Western President Petro Poroshenko, saying constitutional constraints prohibited him from accepting.
US Senator McCain turns down Ukraine advisor role
The Economic Times: US Senator McCain turns down Ukraine advisor role
Senator John McCain (R-AZ) leaves after a meeting with US Secretary of State John Kerry and other Senators on Capitol Hill April 14, 2015 in Washington, DC.
