Two top rail execs are saying the U.S. is in a "slow growth environment" but not a recession. "I...

Two top rail execs are saying the U.S. is in a "slow growth environment" but not a recession. "I don't see a double-dip," Union Pacific's (UNP +4.9%) Jim Young says; with inventory levels "as low as they've ever been," any spurt in consumer demand would pose an opportunity. CSX's (CSX +1%) Michael Ward says the economy even shows signs of life. Earnings: UNP, CSX.