Venezuelan President Hugo Chavez said Thursday that Russia had helped his country break a U.S.-imposed "blockade" by agreeing to sell Caracas fighter planes and helicopters worth billions of dollars. Neither Chavez nor Russian leader Vladimir Putin gave details about any new deals signed Thursday, but Russia's defense minister said last week that Moscow had agreed to sell the oil-rich South American nation about 30 Su-30 fighter jets and some 30 military helicopters. Putin said Thursday that Moscow and Caracas would prove "reliable partners" and - in comments clearly aimed at Washington - said their cooperation should not be viewed as...