Barack Obama offers plan to spend $ 10B on schools , $ 60B on infrastructure . Democratic presidential candidate would spend $ 150B on renewable energy . Obama supports protectionist trade policies , so U.S. workers can compete . 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 . Obama rejects protectionist trade polices , says U.S. workers can compete . Sen. McCain 's campaign says higher taxes to pay for programs would hurt economy .