Pennsylvania crash
<Very early reports: a plane has reported to have crashed in Western Pennsylvania. Speculation: Unless there is some target here, this may be the first one shot down by our guys.
Alternate speculation: a very brave pilot of a civilian aircraft just saved thousands of lives by augering into a field.
Speculation: I can see no way you could force a civilian pilot to drive a plane full of people into a building. If these were civilian airliners, the terrorist procedure would have required the terrorists to kill or incapacitate the flight crew and take over the piloting.