With Illinois soon to become the 11th state with legalized recreational marijuana, lawyers at the American Bar Association have been considering how legalization creates new ethical problems for the profession.The tension between state and federal laws regulating the sale and use of marijuana is the main source of the problem, said Michael W. Drumke, a partner at Swanson, Martin & Bell LLP.Drumke was recently named the ABA’s Tort Trial and Insurance Practice Section Cannabis Law and Policy Committee chair.He said …