And once you're registered, then you got to go to GottaVote.com. (Applause.) That's g-o-t-t-a vote.com -- to find out how to cast your ballot early.

WHITEHOUSE: Remarks by the President at Campaign Event

In 2002 the company had done a reverse merger with ProHealth Medical, an o-t-c bulletin board stock, that resulted in Langley's RHL Management getting 5.5 million shares.

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Sitting next to Serge Milman in Broadway's trading room is Steven Girden, 36, a former o-t-c marketmaker at Bear, Stearns' risk arbitrage desk.

FORBES: Free enterprise comes to Wall Street

"I don't know if it's possible to have a less orderly transition than Leno-O'Brien, " said analyst Brad Adgate of media-buying firm Horizon Media.

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Twitter's O'Leary noted that the security upgrade isn't a cure-all.

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But Whitacre's departure won't change the risk--"a big risk in my mind, " says O' Keefe's Coulter--that the IPO could turn into a PR nightmare for GM if its opening price is too low.

FORBES