In this segment from the MarketFoolery podcast, host Chris Hill and Motley Fool Asset Management's Bill Barker take a gander at the results from freight railroad giant CSX (NASDAQ: CSX), which earned almost $700 million in its first quarter -- a huge beat relative to expectations, with bottom-line growth of more than 50% annually.The Fools talk about exactly how the company pulled that off -- partly through better operational management and partly due to higher oil prices and insufficient manpower in a rival segment.A full transcript follows the video.Continue reading