The online retailer Zappos has done away with traditional job postings, in favor of an internal social network which potential candidates must join. Although Zappos isn't a very traditional company- they did away with job titles last year- we'll look at the challenges companies face when hiring and how that process might be changing. Plus, chicken-producer Pilgrim's Pride is making a hostile takeover bid for sausage supremo, Hillshire Brands. Pilgrim has boasted of wanting to create one big "protein-focused" company. In an age where Walmart style behemoths dominate the grocery sector, food producers like Pilgrim's Pride see the advantage of size as they deal with the chains and seek market share. Climate change is also on the agenda today. As the Obama Administration readies its regualtions of carbon dioxide emissions by existing coal-burning plants, the underlying issue remains economics. If carbon dioxide emissions must be reduced, what is the most efficient means of doing so? Should we make everyone buy new, more energy-efficient cars and appliances? Or should we just address several hundred coal-burning plants that produce 30 percent of the U.S.'s carbon dioxide?