Lawmakers weighing the Army's decision to increase lethality for all Stryker vehicles should examine the overall costs, requisite modifications and determine whether the upgrades would address current and future threats, according to a new report from the Congressional Research Service. The April 5 document , originally obtained by Secrecy News , cites the ongoing effort to add a 30 mm cannon and associated improvements to Strykers positioned in Europe and raises the possibility that the Army could seek to expand...