<span style="color: #222222;">The United States and Russia both walked away from the Intermediate-range Nuclear Forces treaty today putting an end to a landmark arms control treaty that President Ronald Reagan and Soviet leader Mikhail Gorbachev signed three decades ago. <br />''<br />''If both US and Russia choose not to extend or replace the larger New START treaty when it expires in early 2021, there will be no legally binding limits on the world's two largest nuclear arsenals for the first time in nearly a half-century.<br />''<br />''The US blames Russia for the demise of the treaty, saying that for years Moscow has been developing and fielding weapons that violate the treaty and threaten the U.S. and its allies, particularly in Europe. <br />''<br />''President Donald Trump hasn't committed to extending or replacing New START, which imposed limits starting in 2018 on the number of US and Russian long-range nuclear warheads and launchers.</span><br />