T-Mobile USA received a big blow today as the Supreme Court rejected the company's appeal in three cases involving the legal remedies available in millions of cell phone contracts. At issue is whether state laws that limit the ability of companies to prohibit consumers from banding together to pursue class action lawsuits are preempted by federal law. T-Mobile argued that federal law, which generally requires that arbitration clauses be enforced, overrules the state laws that limit the ability of companies to ban class actions. AP story