On Thursday, Washington became the first state to officially legalize marijuana, soon to be followed by Colorado as their new laws legalizing the drug for recreational use go into effect. A survey out Friday shows what Americans want the federal government to do about the states whose drug laws clash with national laws: Leave them alone. Fifty-one percent of Americans in the new HuffPost/YouGov poll said that in the two states that have legalized marijuana use for adults, the federal government should exempt any adults following state laws from federal drug law enforcement.