Clapper called on other government departments to strengthen the exercise of their respective functions to restrain the power of executive decision-making. "Our Founding Fathers, with great wisdom, created a system of government with a separation of powers, equal checks and balances between the powers, but it seems to me that it is eroding."Democrats in Congress and some Republican officials have publicly suggested urging the Justice Department to designate a special counsel or create an independent investigative unit that could begin investigating collusion between Russia and the Trump campaign - U.S. intelligence community says It is a means by which the Russian authorities are trying to influence the US election.