As the former running mates prepare to campaign together for the first time since 2008, sources familiar with them say they have chatty, personal phone calls and remain friendly even though Palin attacked many of McCain’s loyal staffers. Shushannah Walshe takes us inside their relationship and what it means for McCain’s campaign. This weekend John McCain and Sarah Palin are bringing the band back together and hitting the road in support of the Arizona senator’s reelection battle. On Friday, there will be a rally and picnic in Tucson followed by a private fundraiser. The next day, the former presidential ticket...