Backers of a measure to prohibit stores from selling expired infant food, formula and over-the-counter medication, display a can of light table cream that expired over a year ago they say was recently purchased, is displayed at a news conference at the Capitol in Sacramento. Calif., Monday, Sept, 19, 2011. Gov. Jerry Brown has until Oct. 9 to sign or veto AB688, by Assemblyman Richard Pan, D-Sacramento, that would prohibit the sale of such items.(AP Photo/Rich Pedroncelli)