What we're watching tonight:
- NBC (1080i) brings U.S. Olympic Track and Field Trials at 5 p.m. and U.S. Olympic Swimming Trials at 8 p.m.
- ESPN HD (720p) presents AFL playoffs with New York/Philadelphia at 7 p.m.
- TNT (1080i) presents NASCAR Sprint Cup series @ Daytona at 6:30 p.m.
- Cinemax (1080i) premieres Live Free or Die Hard at 10 p.m.