Washington, July 15 -- President Don-ald Trump said that US could impose 100% tariffs on Russia if Moscow does not agree to a deal to end the Ukraine war within 50 days. "We're going to be doing secondary tariffs," Trump told reporters during a meeting with Nato secretary-general Mark Rutte on Monday. "If we don't have a deal in 50 days, it's very simple, and they'll be at 100%." A White House official said Trump was referring to 100% tariffs on Russian exports as well as secondary sanctions on other countries that buy its exports. Trump and Rutte announced a new scheme that would ensure a flow of American weapons to Ukraine through Nato nations. "We're going to make top-of-the-line weapons, and they'll be sent to Nato," Trump said, adding ...