08/07/12 - Tuesday's Topical Currents looks at the rivalry between big business and government. It’s a historical struggle between public and private power. We’ll speak with about his book, . He says the gargantuan size and influence of big players prevents us from addressing global warming, economic inequality and cleaner forms of energy. That’s Topical Currents, Tuesday at 1pm on 91.3 rebroadcast at 7pm on .