Don't fear the four

1. Russian convoy heads into Georgia, violating truce
Infuriating local sheriff.
2. Spaceship Could Fly Faster Than Light
May do Kessle run in less than 12 parsecs.
3. ACT scores down, but more students college-ready
Alcohol tolerance up, sexual inhibitions down.
4. Chrysler to invest $1.8B in Detroit factory
Hopes to reinvigorate once dominant Motown label.