 In CN News, I'm John Champion. The 4th of July doesn't fall until the middle of next week, but the summer holiday travel is already red hot. According to AAA, nearly 71 Americans are expected to travel over the next week. CBS News transportation correspondent Chris Van Cleave has more. AAA expects a record 60.6 million will drive 50 miles or more for the 4th and find gas prices about 6 cents cheaper than last Independence Day.