It has been nearly 10 months since a man attacked Maryam Khan, the first Muslim elected to the Connecticut House of Representatives, outside an Eid al-Adha prayer service in Hartford, Conn. She is still struggling to heal, she said. “I have a lot of things to get through, both emotionally and physically,” Ms. Khan said. “I’m still working on trying to heal and process what happened.” But she felt some closure in a courtroom on Tuesday, she said, when she watched her attacker plead guilty to felony charges related to the attack. The man, Andrey Desmond, 30,...