“At least a dozen states are working to shield people from soaring health insurance costs following Congress’ failure to extend Obamacare subsidies for tens of millions of Americans,” Politico reports.“The efforts, which include actions taken by state leaders in California, Colorado and Maryland, in nearly every case come with a major caveat: They will only be able to help a portion of the people whose health insurance will be too expensive without the enhanced subsidies that Congress opted not to renew before leaving Washington for the year.”