Health and Human Services Secretary Sylvia Mathews Burwell promoted Obamacare “in the spirit of Dr. King” on Monday, Martin Luther King Jr. Day, during a breakfast hosted by Al Sharpton. “African-Americans have the lowest life expectancy of any other race in this country,” Ms. Burwell said in a speech to the National Action Network, The Hill reported. But “thanks to the Affordable Care Act,” she said, “7.8 million African-Americans with private insurance now have access to expanded preventative services with no cost sharing.” Ms. Burwell’s speech comes as HHS ramps up its efforts to insure people ahead of next month’s