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WASHINGTON, DC - JUNE 25: A sign is held up that reads 'ACA Is Here To Stay' front of the US Supreme Court after ruling was announced in favor of the Affordable Care Act. June 25, 2015 in Washington, DC. The high court ruled that the Affordable Care Act may provide nationwide tax subsidies to help poor and middle-class people buy health insurance. (Photo by Mark Wilson/Getty Images)

WASHINGTON, DC - JUNE 25: A sign is held up that reads 'ACA Is Here To Stay' front of the US Supreme Court after ruling was announced in favor of the Affordable Care Act. June 25, 2015 in Washington, DC. The high court ruled that the Affordable Care Act may provide nationwide tax subsidies to help poor and middle-class people buy health insurance.  (Photo by Mark Wilson/Getty Images)