The Affordable Care Act’s third open enrollment season started Nov. 1, and federal officials are hoping to reach about a million people like Thomas across the country. Newark has an estimated 112,000 uninsured people, around one-third of the city’s population. It is one of five areas – along with Houston, Dallas, Chicago and Miami – where the federal government is focusing enrollment efforts. Altogether, Washington will spend more than $100 million on marketing and enrollment.