Sen. Obama offers plan to spend $ 10B on schools , $ 60B on infrastructure . Democratic presidential candidate would spend $ 150B on renewable energy . Obama call for America to compete in the global economy » . Comment: Sen. McCain 's campaign says higher taxes to pay for programs would hurt economy .
Sen. Obama offers plan to spend $ 10B on schools , $ 60B on infrastructure . Democratic presidential candidate would spend $ 150B on renewable energy . Comment: Sen. McCain 's campaign says higher taxes to pay for programs would hurt economy .