Where a U.S. District Court judge chose not to impose a lower sentence based on a not-yet-effective amendment, no error occurred. The 7th U.S. Circuit Court of Appeals affirmed a decision by Chief U.S. District Judge Michael J. Reagan, Southern District of Illinois. Alfonso Hayden pleaded guilty to conspiracy to possess and distribute marijuana. Hayden, a California resident, obtained a medical marijuana card which he used to purchase marijuana in California. He then mailed the marijuana to himself in St. Louis …