Wright Controversy Affects the Polls::By Michael Barone

Is the bottom falling out for Barack Obama? It's too early to say that, but there are some disturbing signs. On the positive side, superdelegates still are breaking his way. Rep. Baron Hill, whose southern Indiana district almost certainly will vote for Hillary Clinton, came out for Obama. So did fellow Hoosier Joe Andrew, who previously endorsed Clinton and who was named Democratic national chairman by Bill Clinton in the 1990s. (James Carville may have another name for him.) Obama is still well ahead among delegates chosen in primaries and caucuses, and he is not very far behind in superdelegates, either.

But what about the voters? Here there are some ominous signs.

Read more.