Early this month, a bipartisan group of senators, led by Al Franken (D-MN), called on the chairman of the Surface Transportation Board to assure that Berkshire Hathaway’s 2010 purchase of BNSF doesn’t result in unfair rate hikes for farms and businesses in Minnesota and nationally. He also recently called on President Obama to address a lack of freight rail competition that he claims is forcing businesses to pay unfair rates to ship their goods.