By Joan Gralla NEW YORK (Reuter) House Speaker Newt Gingrich Wednesday laid out his criteria for a tobacco settlement, raising the prospect of further changes to the proposed plan and dealing a blow to tobacco firms that wanted it to go ahead. Gingrich, who spoke to reporters after touring the New York Public Library in midtown Manhattan, said he would push to ensure that smokers bore the cost of a tobacco settlement in the form of higher cigarette prices, though he offered no details. He added that the original pact should be expanded to curb young people from using drugs and alcohol as well as cigarettes. [continues 442 words]