A public hearing is set for this evening to discuss the extention of the Inner Loop -- Highway 3132 -- from Flournoy-Lucas Road to the port.City Councilman Michael Corbin, who represents that part of town, says this has really turned into a hot potato issue and he wants it to get a good, thorough airing. The hearing gets underway at 6:30. It's being held in the University Theater at LSUS.