No squirrels allowed, Paso Robles schools say Paso Robles Public Schools may put an end to its overpopulation of the rodents with a $2,000 extermination system that involves propane By Monika Tjia The Tribune On any given day, a dozen squirrels scamper on the field at Pat Butler Elementary in Paso Robles, slipping in and out of holes the size of softballs. That may soon end. The Paso Robles Public Schools is considering buying squirrel extermination systems called the Rodenator Pro for its more than 10 campuses. The $2,000 system exterminates the critters by releasing a mixture of propane and...