many negative things will be guarded and safe." the suggestion left some republicans in disbelief. senator ben sass of nebraska tweeted this. "this obviously should not happen, and obviously it will not happen. why the president of the united states would tweet it is inexplicably bizarre." marco rubio tweeted that vladimir putin will never be a reliable constructive partner. partnering with putin on a cyber security unit is akin to partnering with assad on a chemical weapons unit." senator john mccain of arizona weighing in as well. take a listen. >> the president, again, tweeting this morning said "putin and i discussed forming an inpenetratable cyber security unit so that election hacking and many other negative things will be guarded." >> i am sure that vladimir putin could be of enormous assistance in that effort since he is doing the hacking. >> now, as the republican critics were weighing in, united states treasury secretary steve manuchin stepped forward to defend the necessity of a cyber security unit with russia.