Lead rather than Follow

Instapundit sums up some statements about the state of the war: myths and motivations:

(emphasis mine)
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Democratic and Republican members of Congress are looking for a different kind of political solution: the solution to their problems in presidential primaries and elections almost two years off. Resolutions disapproving the troop increase have proliferated on both sides of the aisle. Many of their proponents frankly, even proudly, admit they are responding to the current public mood, as if that is what they were put in office to do. Those who think they were elected sometimes to lead rather than follow seem to be in a minority.

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(Myth #)10- The War in Iraq is Lost. By what measure? Saddam and his Baath party are out of power. There is a democratically elected government. Part of the Sunni Arab minority continues to support terror attacks, in an attempt to restore the Sunni Arab dictatorship. In response, extremist Shia Arabs formed vigilante death squads to expel all Sunni Arabs. ... There are problems, and solutions have to be found and implemented. That takes time, but Americans have, since the 18th century, grown weary of wars after three years. If the war goes on longer, the politicians have to scramble to survive the bad press and opinion polls. Opposition politicians take advantage of the situation, but this has nothing to do with Iraq, and everything to do with local politics in the United States.