A small group of demonstrators stand outside of of a hotel before former South Carolina Senator Jim DeMint, president of the The Heritage Foundation, speaks at a “Defund Obamacare Tour” rally in Indianapolis, Indiana, U.S. August 26, 2013. REUTERS/Nate Chute/File Photo The House Republican health insurance plan suggests health insurance after Obamacare will be less affordable, investors, insurers and industry sources said on Tuesday, raising questions about future enrollment and insurance company participation.