The United States is ready to begin talks on North Korea's nuclear disarmament without prior conditions, Secretary of State Rex Tillerson said Tuesday. 

"We're ready to have the first meeting without preconditions," Tillerson told a meeting on the crisis at the Atlantic Council policy forum in Washington. 

"Let's just meet and let's talk about the weather if you want and talk about whether it's going to be a square table or a round table if that's what you're excited about