Mealey's (June 11, 2015, 3:37 PM EDT) -- WASHINGTON, D.C. — A District of Columbia Circuit U.S. Court of Appeals panel on May 8, 2014, heard arguments over whether the Patient Protection and Affordable Care Act (ACA)’s individual mandate tax constitutes a revenue measure and should properly have originated in the U.S. House of Representatives (Matt Sissel v. U.S. Department of Health and Human Services, et al., No. 13-5202, D.C. Cir.)....