espn sports reporter britt mchenry suspended for one week from network .
she berated an advanced towing employee after her car was towed from a chinese restaurant in arlington , virginia , on april 6 .
insulted the woman 's looks , education and job .
` lose some weight , baby girl , ' mchenry said as she walked away .
mchenry apologized thursday after security footage surface online .
said it was ` an intense and stressful ' situation .