Citing concerns about obesity, soft-drink makers have announced a new, more restrictive policy on soda in school vending machines. Not surprisingly, the Center for Science in the Public Interest is once again calling for yet more regulation. The Atlanta Journal-Constitution reported today that the group’s executive director, Michael Jacobson, said “he would like to see a ban on all carbonated soft drinks — regular and diet — in all schools.” No word yet from Jacobson on how removing diet soft drinks — which contain zero calories per serving — would make kids any skinnier. For more on the increasingly zany war on pop, click here, here, and here.