The Senate Appropriations Committee has endorsed a Pentagon plan to accelerate development of the new Ground-based Midcourse Defense warhead -- which aims to improve defenses against a potential North Korean or Iranian intercontinental ballistic missile -- lifting proposed spending even beyond the Trump administration's requested increase. Earlier this month, the Pentagon -- which in May requested $465 million in FY-18 for Improved Homeland Defense Interceptors -- sent Congress a revised request, seeking $619 million for the same inceptors, including funds...