During the 1972 election, Timothy Crouse penned "The Boys on the Bus" -- a book that introduced us to the gritty (mostly male) journalists on the campaign trail. Over four decades later, the daily grind of election may be the same, but the faces have certainly changed.
Meet CNN's "Girls on the Bus."
(CNN)After months on the road last year, I finally had a day off and went to see my family in Dallas. But duty (and breaking news) called, and within minutes of arriving to play with my then four-year-old niece, I was back in the rental car, headed to the airport.