WBAL Early Today April 22, 2011
awakening. gas prices have been on the rise for months. with parts of the nation now paying more than $4 a gallon, there appears to be no end in sight. the president has launched a federal investigation aimed at finding out if oil markets are being manipulated to drive prices even higher. nbc's kurt gregory reports. >> reporter: the pain at the pump is growing. >> expensive, very, very expensive. >> reporter: and the commander in chief is concerned. >> it hurts because you know every time you go to work, a big chunk of your paycheck is being eaten up. >> reporter: gas prices have ris...