California Reps. Mike Levin (D) and Linda Sanchez (D) are pushing legislation that would close a so-called loophole in the Affordable Care Act and lower health care premiums for families enrolled in both Medicare and an ACA plan by adjusting ACA tax credits to account for the Medicare costs. The lawmakers are seeking support for a potential sister bill in the Senate. Levin crafted the Health Insurance Premium Fairness Act after a married couple in his district flagged the problem...