Mike Brown has been cleared to participate in camp and has hit the ground running .
Bears releases P Glenn Pakulak .
As expected Alex Brown has opened camp as the starting right defensive end
Kyle Orton favored by a number of people .
Coach Lovie Smith said QB competition might not be made until before the last preseason game.
Dusty Dvoracek is sidelined with a minor hand injury.
Dan Bazuin is healthy and back at practice .
Idonije bulks up and Benson isn't as svelte as originally thought.