Kansas City Southern said it had a profit of $75.3 million in the first quarter, 17 percent more than the $64.1 million earned by the railroad in the first quarter of 2011. Revenues were $548 million in the first quarter, 12 percent more than the $489 million recorded in the first quarter of 2011. By segment, KCS said first quarter revenue growth, compared to 2011, was led by both a 26 percent increase in intermodal and a 21 percent boost in automo...