A key federal law protecting the medical marijuana industry from interference by the U.S. Department of Justice has been extended until Dec. 8 under the provisions of an emergency aid package approved Friday by Congress, Marijuana Business Daily has learned. The Rohrabacher-Blumenauer Amendment – which has had to be renewed annually by Congress and was formerly known as Rohrabacher-Farr – was set to expire Sept. 30. However, it will now remain in place for at least several mo