The agenda is here: https://www.gov.uk/government/publications/our-5-priorities-for-the-nato-summit-wales-2014/our-5-priorities-for-the-nato-summit-wales-2014
The western worlds leaders have a lot to discuss over the next two days. The need for a reasoned discussion and then decision on Ukraine is obvious, but it is clearly very important that NATO shows that it is relevant and effective in a post Cold War era.