San Francisco Chronicle: Japan politics shaken by PM Hatoyama’s resignation 06.02.10 Israel to expel all activists by day’s end 06.02.10 Stocks rise after pending home sales top forecasts 06.02.10 Tax credits fuel 6 pct. rise in April home sales 06.02.10 The river system that makes up the backbone of the state’s economy ranks as one of the most imperiled watersheds in the nation, putting at risk drinking water for millions of Californians as well as billions of dollars worth of crops and urban infrastructure, …