Edwards quitting presidential race  —  (CNN) — Former Sen. John Edwards is dropping out of the race for the Democratic presidential nomination, CNN has learned.  —  Edwards has told top advisers about his decision.  It is expected he will announce it at a speech in New Orleans, Louisiana, at 1 p.m. Wednesday.

John Edwards to Quit Presidential Race  —  John Edwards will end his presidential bid today, a source close to the Edwards campaign confirmed.  —  The former North Carolina senator is scheduled to speak in New Orleans this afternoon — an appearance billed as an anti-poverty speech …

20% of GOP votes cast by non-Republicans?  Updated  —  Update: Ed Morrissey has your answer: … Yesterday afternoon, I noted reports of independents voting in the closed Florida Republican primary and pointed out the state law requiring that voters establish party ID by registering 29 days before an election.

On Closed Primaries  —  A number of commenters in my threads from Florida's primary seem confused about what a closed primary means, and what its limits are.  Michelle Malkin and Flip Pidot also blogged about this overnight, but miss the point of exit polling showing voter inclinations and not actual registration.