(Editor's Note: This article has been updated with the correct baseline estimate of $77.7 billion.) The Defense Department is committing to the LGM-35A Sentinel nuclear missile program despite the price tag jumping to $140.9 billion -- an 81% increase -- and facing years-long delays. Under Secretary of Defense for Acquisition and Sustainment Bill LaPlante certified today that the intercontinental ballistic missile modernization program is necessary for national security, there are no alternatives to meet the requirements and the program...