carol: i am carol mather. oliver: you can listen to us in london on the radio.al economics section, is skeptical comments about nato from donald trump. this has forced european countries to buy up their own arms. let's talk about something that donald trump set on the campaign trail. it is about the nato allies that are out there. he said they have not paid their fair share. >> that comment raised some concern because he was -- theing that maybe ds u.s. would put conditions on his willingness to stand up for allies in nato. pointing out that a lot of them aren't paying as much as they should. nato guidelines call for 2% of gdp to be spent. >> i had no idea there were those guidelines. >> it is a fairly new thing. the u.s. has been complaining -- europe not spending enough. a formalized it with a 2% guideline. ourhis is important to audience. what is important to the bloomberg audience is what is happening in the defense sector. the expectation is that some of these nato members have to meet that 2% standard. there has to be a lot more money spent on defense item