a href="http://www.nytimes.com/2010/02/26/sports/olympics/26johnson.html?partner=rssnytemc=rss"img src="http://graphics8.nytimes.com/images/2010/02/26/sports/26johnson_CA0/26johnson_CA0-thumbStandard.jpg" border="0" height="75" width="75" hspace="4" align="left"/aMr. Johnson was an X Games medalist in two disciplines, and was the first to perform many of free skiing?s maneuvers. More...