My best guess:
Three things to be determined:
1. Can Perry win without a runoff? Perry has said yes. That may cause some of his voters to stay home.
2. Can Medina overtake Hutchison to get in a runoff? I don't think so.
3. How far behind does Hutchison have to be before she concedes rather than go through a run-off? It's really up to her contributors. They may pull the plug.
- 1 week