(Editor's Note: This article, originally issued Feb. 23, was updated on Feb. 24 to incorporate additional information.) The Senate Armed Services Committee's top two lawmakers today introduced legislation that aims to address "major flaws" in the Pentagon's weapon system acquisition process, including provisions that would strengthen enforcement of existing laws that require termination of programs with runaway costs. Senate Armed Services Committee Chairman Carl Levin (D-MI) and Ranking Member John McCain (R-AZ) are sponsoring new legislation -- S.454, the "Weapon...