"Behind the line ... Walking school buses are catching on in school districts nationwide because they are seen as a way to fight childhood obesity, improve attendance rates and ensure that kids ...

Fewer than 15 percent of children walk or ride their bikes to school. Instead, they're getting a ride in their parents' car. A new government program encourages kids ... sits in a line of cars ...

all first graders — on a very long walking field trip. The destination is unclear and unimportant. The kids are roped together like a chain gang, so when one falls over, the rest of the line is ...