Dr. L. Kyle Horton, M.D. Contributor L. Kyle Horton M.D., M.B.A. is an internal medicine physician and advocate for veterans, environmental and health care public policy. She lives in Wilmington, North Carolina. Email Kyle Articles by Kyle Justice Politics VOICES: 'Walking in the darkness of destructive selfishness' by repealing the ACA By Dr. L. Kyle Horton, M.D. January 12, 2017 - Poised to strike down the Affordable Care Act without a viable replacement, Congress appears to be "walking in the darkness of destructive selfishness" that Dr. King warned against.