Thunberg sales across the atlantic again with a climate warning. She says drastic measures are needed to cut co2 emissions as she prepares to deliver her message to the human United Nations Climate Summit. And there is where tonight the white house will allow Major League Baseball players to once again head south for offseason play. Im brent goff. Two viewers pbs in the United States and all around the world, welcome. We begin tonight with nato at 70. Leaders of nato members are meeting in london seeking to paper over the cracks amid obvious divisions in the military alliance. Right now, the leaders are in Buckingham Palace for reception hosted by the queen to mark the 70th anniversary of the founding of nato. It follows a public spat between french president Emmanuel Macron and u. S. President donald trump. When those leaders sat down earlieier today, it was hard to prededict how the m meeting woud go. Take a look. Would you like some of those isis fighters . I could give them to you.