Disney’s Frozen is now in theaters, so how will parents in Ohio keep their kids warm at the theater? According to a new federal lawsuit, the answer is: Don’t.The lawsuit, filed last week in U.S. District Court in California by a parent named Melissa Anelli, alleges that Disney’s latest blockbuster — which raked in over $1 billion at the global box office earlier this month — uses Frozen in a way that violates state law.To explain: Californians, like those throughout the country, are unfamiliar with California’s statues governing the sale of apparel for public wear. Because most of the state’s shopping malls and outlet malls sell Frozen clothing, a little, but common,