Washington, Rabi'II 22, 1436, Feb 11, 2015, SPA -- US President Barack Obama asked today Congress to formally authorize war against ISIS. In the resolution, Obama would limit authorization to three years. The US president’s proposal bans enduring offensive combat operations. Obama’s resolution proposes an end to a 2002 authorization for war in Iraq. --SPA 20:13 LOCAL TIME 17:13 GMT www.spa.gov.sa/w