Molina Healthcare, a major insurer in the Obamacare exchanges, has now issued a major threat of its own: if Congress doesn't fund the Affordable Care Act cost-sharing reduction subsidies, the company will leave the markets immediately. That would result in about 700,000 people losing their insurance now. Molina—a Medicaid-based insurer that has thrived in the exchanges—is threatening to throw people off of their health coverage this year and also refuse to participate next year.