Reuters: US Democratic presidential candidate Barack Obama said on Friday that if elected he might have to scale back his plan for energy investment to help pay for a proposed US$700 billion financial industry bailout. “I want to make sure that we are investing in energy in order to free ourselves from dependence on foreign oil. Now, that is a big project. That is a multi-year project,” Obama said in a televised debate with Republican rival John McCain. “I’m not willing to give up the …