Today in History By The Associated Press Where the big primary races will be in suburbs By Mike Riopell Political Editor Leftovers, thy name is Turlafel By Bonnie S. Benwick 10 Things to Know for Today By The Associated Press Queen Elizabeth II opens Commonwealth meeting in Malta By STEPHEN CALLEJA 3 Chinese brokerages say they are under investigation By JOE McDONALD Turkey stroganoff on toast Bonnie S. Benwick Feeling the pinch of Indiana's new food stamp rules By JOSEPH DITS Clark County leaders commit to helping veterans By ELIZABETH DEPOMPEI Former FIFA president Joao Havelange hospitalized in Rio The Associated Press