Republican lawmakers are seeking to punish Libya over its failure to bring anyone to justice for the 2012 attack against the US mission in Benghazi.
Congress approved a spending bill earlier this year that ties US aid to the country on progress in the investigation. And House Republicans are threatening to undermine the Obama administration's bid to eliminate Cold War-era visa restrictions that the State and Defense departments have been pushing for since before the fall of Moammar Gadhafi.
