because once you achieve something, you just want to move on. >> that was sergei polunin. all for this week. from all of us, goodbye. >> make sense of international news at bbc.com/news. >> funding for this presentation is made possible by the freeman foundation of new york, stowe, vermont, and honolulu. newman's own foundation. and union bank. >> at union bank, our relationship managers work hard to know your business. offering specialized solutions in capital to help you meet your growth objectives. we offer expertise and tailored solutions for small businesses and major corporations. what can we do for you? >> "bbc newsnight" was presented by kcet stocks fell on worries that china might... announcer: the new pbs for ipad app. you'll never know what you'll find. [dog barks] announcer: available now in the app store.