The Obama administration today released a new set of rules for oil and gas drilling on public land. As NPR's Elizabeth Shogren reports, the rules are meant to keep companies from polluting water when they use the engineering technique known as fracking.
ELIZABETH SHOGREN, BYLINE: Hydraulic fracturing is what made the current drilling booms possible. Companies force hundreds of thousands of gallons of water, sand, and chemicals deep underground to open up cracks in the rock and make the oil or natural gas flow faster.
Bolivia and Argentina's nationalization of Spanish companies hasn't gone over well in Madrid. Spanish officials say Bolivia and Argentina will pay the price in the long run, as investors become weary of doing business if their assets could ultimately get seized.