Congressional investigators using fake identities were able to obtain taxpayer-subsidized health insurance under President Barack Obama's law, according to testimony to be delivered Wednesday. The nonpartisan Government Accountability Office says its undercover investigators were able to get subsidized health care under fake names in 11 out of 18 attempts. The GAO is still paying premiums for the policies, even as the Obama administration attempts to verify phony documentation. The agency's findings are contained in testimony to be delivered at a House Ways and Means Committee hearing Wednesday. An advance copy was provided to The Associated Press.