9-year-old Boy with Autism can’t talk well, but when he stepped on the stage, something incredible happened!

<p id="watch-headline-title" class="yt"><span id="eow-title" class="watch-title yt-uix-expander-head" title="America's Got Talent 2008 - David Militello" dir="ltr">America's Got Talent 2008 - David Militello</span></p>