It's hard to keep track of the third-party ads taking on Mark Udall for his untimely shortcomings, U-turns, and missed votes on energy policy. This one from Freedom's Watch, though, may take the cake:
I'll place it into nomination for most creative ad of the campaign. PolitickerCO and National Journal both seem impressed enough.
We've got more than 10 weeks to see if one of the campaigns or an outside group has a better entry.