We’ll dissect the latest political fight shaping up in Congress as House Republicans dig in their heels to hold government spending and the debt ceiling hostage to their dream of defunding Obamacare. And, author Jen Marlowe joins us to discuss her new book, I am Troy Davis, as we approach the second anniversary of the execution that moved a nation. Plus, climate scientists and activists expose a new study on fracking that greatly underestimates the destructive nature of the controversial practice.