Sarah Palin's bus tour of America -- which just so happened to be cruising through early primary states -- will restart after several months off. In June, the roadtrip was suspended indefinitely, but this week, naturally, she's headed to Iowa, CNN's Peter Hamby reports. Palin will arrive in the state just before her potential 2012 rivals fight for their political lives at the Ames straw poll Saturday, a vote that could be a campaign-ender for some candidates. Palin's appearance will likely siphon off some of the attention for which they're struggling.
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