house is so keen to see from them. >> meeting or no meeting, you have president obama speaking there today saying that diplomacy with iran must be tested. does that begin with thursday with the secretary of state john kerry and his iranian counterpart, once they meet? >> reporter: well, certainly. that's a substantial bit of progress. it's not necessarily one on one. it's part of a broader meeting. that's about the iranian nuclear program. a huge step forward to be meeting at that high level. plus, obama saying he had tasked kerry with getting that diplomatic path back on track. i think the real message we hear is the west, the p-5 plus one wanting to see how serious iran necessarily is here because there's been a lot of rhetoric here, but they've seen this dance before. every sort of six, seven years there's an uptick in iran's desire to get friendlier with the west and then the hard line