They doubted him during the health care debate. They second-guessed his Afghanistan policy. They’ve fretted over his coziness with Wall Street and his comfort with executive power.

But now is the summer of their discontent. From MSNBC to “The Daily Show,” from The Huffington Post to the halls of Congress, movement liberals have had just about enough of Barack Obama.

The catalyst was last week’s lackluster Oval Office address, but the real complaints run deeper. Many liberals look at this White House and see a presidency adrift  unable to respond effectively to the crisis in the gulf, incapable of rallying the country to great tasks like the quest for clean energy, and unwilling to do what it takes to jump-start the economy.

American liberalism has always had a reputation for fractiousness and frantic self-critique. But even by those standards, the current bout of anguish over the Obama presidency seems bizarrely disproportionate.