SIMI VALLEY -- Senior Pentagon officials and U.S. lawmakers spoke with top industry executives at a high-profile defense conference over the weekend about the need to rethink -- and aggressively fund -- the production of key weapon systems with supply chain vulnerabilities that have been highlighted by the ongoing war in Ukraine. Pentagon acquisition chief Bill LaPlante, who is a front-line player in the new U.S. effort to expand the domestic and international production of critical munitions, outlined the challenge...