This is the official trailer of the upcoming Kamen Rider Dragon Knight, an American adaptation based on Kamen Rider Ryuki. It will be produced by the Wang brothers (Steve & Michael) and will be released in the fall of 2008 on Cartoon Network (confirmed by Stephen Lunsford at the College Road Trip Premiere on a clip from LiveVideo.com). It may not be as good as Ryuki, but it will be as faithful…