The bill, introduced by Senators Lindsey Graham and Richard Blumenthal, includes a 500% tariff on nations purchasing Russian energy. Graham said the measure would isolate Russia economically, calling it a response to President Putin’s ongoing invasion of Ukraine. <br><br> Johnson told reporters Monday that many in Congress want the harshest possible sanctions, and he fully supports that push. The Senate Banking, Housing, and Urban Affairs Committee is expected to begin reviewing the bill by the end of the week.