Congressman Sam Farr (D-Calif.) introduced the Truth In Trials Act of 2009 today (H.R. 3939), a bill that would give medical marijuana patients and providers the ability to argue in federal court that their actions were legal under state law. Currently, a federal judge cannot consider state-level legality during a medical marijuana case. For example, Charles Lynch, a California resident who was on trial for operating a medical marijuana clinic that by all accounts operated in compliance with state…