Dense fog along a notoriously dangerous Central Valley freeway caused a horrific pileup Saturday morning — initially believed to be as big as 150 vehicles. CHP, however, clarified later Saturday that at least 59 vehicles were involved in the Highway 99 smash-up just after 8:15 a.m. near Fresno and just north of Bakersfield. Photos from the Tulare County Fire Department show what used to be cars reduced to crumpled heaps of metal in between tractor trailers and car parts strewn all over the