 medicaid s cost drivers  medicaid is now mostly a middleclass entitlement for nursing homes almost twothirds of medicaid spending flows to the elderly and 60 of people in longterm care institutions are on the program medicaid also covers more than 20 americans and pays for 40 births in the united states for a story on ldquo obamacaid rdquo and its cost drivers click on the following story link  http onlinewsjcom article sb10001424052702303442004579121953701256822html keywords obamacaid 