Correspondent, hans nichols in brussels where european leaders are meeting to discuss the potential greek debt default. Where do things stand now . Has there been any progress in stalks collapsed last night . Good evening. Eu leaders are having a conversation. The portion dedicated to greece will happen at the end of the evening. They have dealt with ukraine and other issues. On a technical matter, and this is important, if there are going to be advisers working with the greek side on what the common set of numbers is going to be. The idea of having technical experts and a solid, trusted data set is going to be crucial if there is going to be any progress on the talks. They need to agree on the numbers for there to be any meaningful opportunity for progress. How close to they come to a deal last night . It was reported they had a deal in principle and we were among the organizations that that they were moving toward a deal. The greek finance minister then checked with athens and from a