SATURDAY NEWS:
* Ten tough decisions Obama will have to make soon.
* The cautionary tale of the water crisis in Mexico City.
* Egads. Pentagon studies the threat of economic warfare.
* Fred Kaplan with an analysis of Gates's new Defense Dept. budget.
* Joe Klein on fighting the Taliban with diplomacy.
* Transparency watch: Obama releases Reagan documents previously kept secret. Wonder what we'll find.
* Good read: A dramatic shift in the culture war.
* Andrew Cohen on Scalia and sin.
* Utah reports on how its four-day work week for state employees is going.
