They won't... Until maybe October-November 2012
After that the Clinton's will be ancient history.
Note: I'm assuming that Hillary gets elected in 2008, fails miserably as a President, and will thus be on the brink of a Carter-like sweeping defeat in the 2012 election.
The ironic thing, it is very possible that in 2012, it could that another Iranian crisis gets blamed for a failed Presidency.