A vote to secede  

Karen Tumulty gathers the evidence on whether Palin was vetted. If you're wondering what a normal vetting process looks like, Mark Halperin's list of questions may shed a little light on what's expected the process.

And according to Wikipedia:

To vet was originally a horse-racing term, referring to the requirement that a horse be checked for health and soundness by a veterinarian before being allowed to race. Thus, it has taken the general meaning "to check."