| Clue | Source | Date |
|---|---|---|
| Republican nominee defeated by Barack Obama in the 2008 US presidential election | The Times Specialist | 14 Sep 2026 |
| 2008 presidential also-ran | USA Today | 16 Dec 2018 |
| 2008 presidential also-ran | ||
| 2008 also-ran | Wall Street Journal | 08 Nov 2016 |
| *Barack Obama's 2008 opponent | ||
| *Barack Obama's 2008 opponent | ||
| Republican senator touted as a Democratic candidate for president in '04 |