Linkerbell

• A helpful reminder from Jonathan Bernstein that Ross Perot was all ears and no cattle.
• Romney is so far failing to secure endorsements from heavy metal bands.
• Some more fretting about the brokered convention that will never happen. I'm a bit confused -- who are the party "adults" referenced in the article?
• What was the most important presidential election ever? David Mayhew has some good answers.
• Negative ads work, right? Not so fast, says John Sides.
• New book coming out shows the behind-the-scenes negotiations during the 2008 Democratic National Convention.
• Adam Sorensen to the Maine GOP: No caucus-handler you. I deride your caucus-handling abilities.
• Neutrinos don't actually go faster than light. No flux capacitor for you.
• All Downton Abbey, all the time: Great episode recaps from Vulture. Has Downton jumped the shark? Not possible, says William Hogeland -- it's a soap. And, via Ari Kelman, perhaps the best essay ever written on Downton.