A ballot measure that would add new protections to the state constitution for crime victims in Illinois is getting a high-profile endorsement. Kelsey Grammer, the actor best-known for his roles in the long-running sitcoms “Cheers” and “Frasier,” will appear in a new TV advertisement urging Illinois voters to support “Marsy’s Law,” which would enshrine in the state constitution a crime victim’s right to get timely notice of court proceedings, be involved in bail decisions …