I spent only a few hours with the former governor, helping to prepare her for the vice presidential debate in October 2008. And during that brief window, I saw Palin at one of her most vulnerable moments, when any result other than a complete train wreck seemed impossible. And yet I also saw a determined woman buckle down, recover her confidence and then storm the national stage where she more than held her own against a seven-term senator. Did she face some tough slogging to reach her remarkable perch? Sure, you betcha. I admire her tenacity, her verve, her moxie,...