Oregon Sen. Ron Wyden proposed legislation Friday that would give states a free hand to allow legal cannabis markets without the threat of federal criminal intervention, the latest push in Congress to bolster the nation’s burgeoning pot industry. The proposal, identical to a bill in the House, aims to ease the long-standing conflict between states where cannabis is legal in some form and the U.S. government, which categorizes marijuana as a dangerous illegal drug, similar to LSD or heroin. “The federal prohibition of marijuana is wrong, plain and simple,” Wyden, a Democrat, said in a statement. “Too many lives have been wasted, and too many economic opportunities have been missed.” It remains unclear if Wyden’s bill would have a chance of clearing the Republican-controlled Senate. The Democratic majority in the House appears more open to considering proposals to ease federal restrictions on marijuana. The chamber has set a hearing next week on a bill intended to make banking servic..