Might want to ask Ted Cruz, Nikki Haley, Marco Rubio, John McCain, Terry Branstad, Jason Smith, Martha Zoller and a bunch of other people about that...
Shocker From ABC’s Jonathan Karl: ‘Sarah Palin Is 4 for 4 on Her Senate Endorsements’
http://www.freerepublic.com/focus/f-news/2914954/posts
Maybe I'm wrong, but it strikes me that all of these people are Republicans either running for re-election or replacing Republican predecessors. Where are the successful Palin endorsements in Democratic strongholds? Or even purple states?