In this July 12, 2012 photo, patients stand in line to make payments at Nuestra Clinica Del Valle in San Juan, Texas. About 85 percent of those served at the clinic are uninsured. Texas already has one of the nationís most restrictive Medicaid programs, offering coverage only to the disabled, children and parents who earn less than $2,256 a year for a family of three. Without a Medicaid expansion, the stateís working poor will continue relying on emergency rooms _ the most costly treatment option _ instead of primary care doctors. The Texas Hospital Association estimates that care for uninsured patients cost hospitals in the state $4.5 billion in 2010. (AP Photo/Eric Gay)

Associated Press
In this July 12, 2012 photo, patients stand in line to make payments at Nuestra Clinica Del Valle in San Juan, Texas.  About 85 percent of those served at the clinic are uninsured. Texas already has one of the nationís most restrictive Medicaid programs, offering coverage only to the disabled, children and parents who earn less than $2,256 a year for a family of three. Without a Medicaid expansion, the stateís working poor will continue relying on emergency rooms _ the most costly treatment option _ instead of primary care doctors. The Texas Hospital Association estimates that care for uninsured patients cost hospitals in the state $4.5 billion in 2010. (AP Photo/Eric Gay)
In this July 12, 2012 photo, patients stand in line to make payments at Nuestra Clinica Del Valle in San Juan, Texas. About 85 percent of those served at the clinic are uninsured. Texas already has one of the nationís most restrictive Medicaid programs, offering coverage only to the disabled, children and parents who earn less than $2,256 a year for a family of three. Without a Medicaid expansion, the stateís working poor will continue relying on emergency rooms _ the most costly treatment option _ instead of primary care doctors. The Texas Hospital Association estimates that care for uninsured patients cost hospitals in the state $4.5 billion in 2010. (AP Photo/Eric Gay)
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