Actor-director Rob Reiner is taking a lot of well-deserved media and political heat - from politicians in both parties, for a change - over a lavish promotional program for preschool education financed by tobacco tax money that is controlled by a commission he heads. Although Reiner and the First 5 California Children and Families Commission insist that he didn't play a direct role, it's perfectly clear that the commission was using public money to boost a Reiner initiative to tax the wealthy for preschool programs. Reiner temporarily stepped down from the chairmanship last week as political and media criticism mounted,...