US President Donald Trump said he is not going "to be wasting my time” by meeting with Russian President Vladimir Putin if the Kremlin leader is not ready to make a deal to end his war on Ukraine. "You have to know that we're going to make a deal. I'm not going to be wasting my time," Trump told reporters on Air Force One during a stop in Doha en route to Malaysia, where he kicks off an Asia trip on October 26. "I've always had a great relationship with Vladimir Putin, but this has been very disappointing. I thought this would have gotten…