From this page you can share all four 2015 NPE National Conference Keynotes, or you can share each video individually with the following links:
http://npe.mayfirst.org/2015-npe-conference-keynote-yong-zhoa/
http://npe.mayfirst.org/2015-npe-conference-keynote-diane-in-conversation-with-lily-and-rand/
http://npe.mayfirst.org/2015-npe-conference-keynote-diane-ravitch-in-conversation-with-karen-lewis/