vikas, i want to come first to you.myriad of problems in terms of getting children an education. where might you start with the solutions? actually, you need to start at both ends of the spectrum. one of the most important elements in terms of how you bring change, and what we are hearing at this year's conference, which is asking the simple question, who is changing the world? it is about becoming better at telling stories about success. in that regard, when we think about one end of the spectrum, we have the abject failure of political leadership. in that, we need to celebrate those that are doing things fantastically well. elizabeth, how do you see where we should start with solutions? the obvious answer is funding, isn't it, countries simply are not providing state education in some cases. funding is important, resourcing is important. we've talked about schools that are significantly underresourced, but we also need to look at making sure we have the right ideas and the right approaches, and that they are taken to