>> Two top House Republicans issued a rallying call on Sunday to combat resistance from intelligence agencies to disclose classified information that they argue will blow wide open a controversy surrounding Russia's role in disrupting the 2016 election. >> Rep. Devin Nunes, the ranking member of the House Intelligence Committee, went so far as to raise the possibility of an overhaul of the U.S. intelligence community if leaders are not more forthcoming with their findings, even as national security experts warn of sources and methods being put at risk and Democrats charge Republicans with pushing Russian disinformation to boost President Trump ahead of the 2020 election.