There’s a lot at stake for families and employers if the deals go through and leave three health insurers in control of nearly half of the U.S. commercial insurance market. … Much of the debate centers on whether insurers should be required to limit rate increases for a time, expand their provider networks and make other pledges to improve patient care in order to win regulatory approval at the state level. … Consumer advocates say they fear that existing problems over affordability and access to care will get worse as insurers consolidate market power. Read More ›