The White House Office of Management and Budget is balking at Defense Department plans for a Next Generation Interceptor, exposing a rift inside the Trump administration over how to modernize the Ground-based Midcourse Defense system just weeks after Mike Griffin, the Pentagon's top technology officer, sold Senate appropriators on plans for the new-start program. In an Oct. 23 letter to Senate Appropriations Committee Chairman Richard Shelby (R-AL), acting OMB Director Russell Vought said the administration is not on board with...