An influential conservative think tank contends that a quarter of all ObamaCare exchange enrollments were improper, adding more fuel to claims from the Trump administration and GOP lawmakers that the exchanges are rife with fraud.  The Paragon Health Institute’s report found more than 6 million people were improperly enrolled in the health law’s exchanges in 2026. The report also argued taxpayers will improperly subsidize the Affordable Care Act program by nearly $25…