The decision to keep up to 50,000 American troops in Iraq after August of next year underscores the need for extreme caution in escalating our involvement in Afghanistan and any future commitment of forces in the region.

Those originally drawn to support Barack Obama’s presidential campaign by his determination to get out of Iraq will have to be persuaded that continuing US presence of such magnitude is justified. Calling it a “transition force” will not mask the fact of an indefinite occupation.

Congressional Democrats are reacting with disappointment, but stronger emotion will have to pressure the Obama Administration to provide its vaunted transparency on this issue.

American voters rejected John McCain’s vision of the Iraq war last November, but the Obama timetable for withdrawal is now earning his approval as “thoughtful and well prepared.” How did we get from there to here?

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