An election in a democracy should be an opportunity for fresh ideas to rise to the top. So where are the ideas in the current U.S. presidential election? The list of dangerous and highly unstable situations in the world that are likely to make life miserable for the next U.S. president is long, and the level of instability is rising. Lebanon, Palestine, Iraq, Afghanistan, Iran, Pakistan, Somalia, and Colombia-Ecuador-Venezuela are all on a knife's edge. Mexico's drug cartel issue is not far behind.
From the Republican side, Ron Paul has been shunted aside, and McCain is grinning, "Full speed ahead!" One wonders exactly where he thinks he is going.
From the Democratic side, Kucinich and Robertson and Gravel have been shunted aside. Obama says "Change!" and says it grandly, but whenever he makes the mistake of becoming specific, he sounds just like every other mainstream leader who has gotten us into this trouble. Clinton can't make up her mind whether she (A) is still part of Bill Clinton's old liberal group that offered such hope to the nation for a brief moment so long ago or (B) another angry Republican suffering from an overdose of testosterone.
Neither Clinton nor Obama looks like Bush, and neither is likely to win by trying. On domestic issues, there are real differences, but the rest of the world is not going to disappear. How to climb out of the hole we have dug ourselves into needs to be addressed.
Nader is not going to win, unless of course the unthinkable happens and we all start thinking for ourselves, but at the moment a protest vote for Nader does indeed, as suggested elsewhere, sound like the way to go.