Today in History By The Associated Press Where the big primary races will be in suburbs By Mike Riopell Political Editor Weekend picks: Catch Miles Over Mountains in McHenry, Batavia By Scott C. Morgan & Laura Milbrath Stewart Leftovers, thy name is Turlafel By Bonnie S. Benwick David Arquette's ‘Sherlock Holmes' proves utterly clueless By Scott C. Morgan 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