Two Janesville men are facing drug charges after police execute search warrants at their homes.  Police say two apartments in the 23-hundred block of Harvard Drive were searched a little after 7:00 p.m. Thursday.  Officers say 39-year-old Johntile E. Alexander and 31-year-old Marcellous Wright were arrested on charges including delivery of cocaine within 1000 feet of a school and maintaining a drug trafficking place.  Police says the search warrants and arrests are part of an ongoing investigation into the illegal distribution of narcotics in that part of the city.