The following should be sung with enthusiasm to the tune of Gene Autry's Back in the Saddle: I'm back on the treadmill again, knowin ' I'll never be thin, Yet I trudge along the belt, hoping some day I'll be svelte , Back on the treadmill again.... Whoopie ty - yi -yo, cruisin ' kinda slow, back on the treadmill again.... Whoopie ty - yi - yay , don't have the guts to weigh, but I'm back on the treadmill again! Ron made himself a chicken quesadilla for lunch today. That got me thinking about something I saw on Good Morning America yesterday. Wolfgang Puck was on, demonstrating how to make that very thing: a quesadilla . Are we really that bereft of culinary skill in the household kitchens of America that we need a renowned chef to teach us to make quesadillas ? Is a quesadilla not simply a grilled cheese sandwich with tortillas substituted for bread? All these things ran through my mind as I watched and listened. " Zey are so ferry easy to mak