A federal judge cleared the way for a teacher to pursue a lawsuit accusing Illinois prison officials of violating her right to free speech when they canceled a debate course she taught behind bars.In a written opinion last week, U.S. District Judge John J. Tharp Jr. declined to dismiss the First Amendment claim Katrina Burlet brought against Gladyse Taylor, the assistant director of the Illinois Department of Corrections, among other defendants.Tharp held Burlet adequately stated a claim that she was a victim of viewpoint …