By Megan McArdle

Cactus muses on how Edwards should position himself to eventually run for president again:

If you do become kingmaker, what do you want for it? The obvious slot is the VP slot. But, in recent decades, the only veep to go on to get an upgrade (without the president dying or being forced out of office, which isn't something you can count on happening) was GHW, and it didn't hurt that he ran against Michael Dukakis.

The VP slot seems to be a lot less important than it used to be. Thoughts on why this is?

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