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Charles Dharapak, File, Associated Press
FILE - In this Oct. 12, 2010 file photo, actor George Clooney speaks to reporters outside the White House in Washington after meeting with President Barack Obama about his recent trip to Sudan. Hollywood, as everyone knows, loves the Next Big Thing. And four years ago, Barack Obama was certainly that: a political supernova, the equivalent of a sudden breakout movie star.

NEW YORK — Hollywood loves the Next Big Thing. And four years ago, Barack Obama was certainly that: a political supernova, the equivalent of a breakout movie star.

But you can't be the Next Big Thing twice. And so, with the 2012 vote less than a year away, there's clearly a different mood in heavily Democratic Hollywood: less gushing, not to mention snippets of criticism. The most prominent has come from actor Matt Damon, who campaigned for Obama last time but now makes no secret of his disillusionment.

The adulation of the 2008 election may be significantly muted among Hollywood liberals, as with liberals elsewhere. But Obama supporters say the nation's attention has been on the battling Republicans and that when there's a GOP nominee, the Democratic base will be energized.