Dick Cheney has accused Barack Obama of "dithering" over Afghanistan. If the president were to quickly invade a country on the basis of half-baked intelligence, would that demonstrate his courage and decisiveness to Cheney? In fact, it's not a bad idea for Obama to take his time, examine all options and watch how the post-election landscape in Afghanistan evolves.

The real question we should be asking about Afghanistan is: "Do we need a third surge?" The number of U.S. forces in Afghanistan in January 2008 was 26,607. Over the next six months, the total rose to 48,250. President Bush described this policy as "the quiet surge," and he made the standard arguments about the need for a counterinsurgency capacity -- the troops had to not only fight the Taliban but also protect the...