Politicians tend to be most enraged by the problems they cause, and the liberal fury against insurance mergers is a classic of the genre. ObamaCare was designed to create government-directed oligopolies, but now its authors claim to be alarmed by less competition.
Last week federal and 11 state antitrust regulators filed a double lawsuit to block the pending $54 billion insurance tie-up between Anthem and Cigna and the $37 billion acquisition of Humana by Aetna.
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