The National Association of Free Clinics, which has been hosting clinics throughout the country since September, and hundreds of volunteers will set up at the Connecticut Convention Center from noon to 7 p.m. today. Organizers expect to draw about 1,000 patients. They came by the hundreds in New Orleans, Little Rock, Kansas City and Houston, lured by the offer of free health care at a one-day clinic. For many patients, it was the first time they had seen a doctor in years. Nearly all of them had jobs, just no health insurance...