UPDATE 1-Obama expected to push for Gulf missile defense at U.S. summit
May 06, 2015 at 16:51 PM EDT
WASHINGTON, May 6 (Reuters) - President Barack Obama is expected to make a renewed U.S. push next week to help Gulf allies create a region-wide defense system to guard against Iranian missiles as he seeks to allay their anxieties over any nuclear deal with Tehran, according to U.S. sources.