LIBERTY — The willowy woman in the mauve suit leans against the grille of a ’73 Corvette. A graceful hand dotted with age spots hesitates above the photograph, then an index finger, knuckles thickened, taps the image."I used to have such pretty legs," Ruth Grant says.The consensus in the room is that Grant still has great-looking legs — especially considering she just turned 110.Right, 110.