Two young sisters in Utah who apparently wanted to go to California to swim in the ocean took their parents' car on a freeway joyride Wednesday, crossed into oncoming traffic and then crashed head-on into a semi truck. Advertisement But the 9-year-old driver and her 4-year-old sister walked away unscathed, police said. The girls left from their home and apparently intended to head to the beach, according to West Valley police spokeswoman Roxeanne Vainuku. "I guess they were intending to start their summer vacation a little early," Vainuku told KSL-TV. From the home, the 9-year-old who was driving the car...