Those require the sturdy concrete walls, though. The Armco barriers currently there would not suffice. I don't see the Glen as a valid venue, either, though. The corners are nearly all cambered, and apparently F1 cars don't like that too much. (Everyone was complaining about the banking at Indy, even before the whole Michelin debacle.)
Quite frankly, I Don't think any track in the US, aside from the crappy IndyGP, is fit for F1. Miller Motorsports Park in Utah could possibly be viable with some modifications; like installing walls, for one. The infrastructure may already be there, too, since they recently held the Olympics.