That age-old tug of war follow your heart or follow your head is playing out sharply this year as a record-setting collection of college-bound students faces a life-shaping decision: Peter Hodgson, who will be a senior at Jesuit High School in the fall, studies piano with Jay Johnson of Sacramento. Hodgson would love to pursue a performing arts degree in college, but his mother worries about his becoming a "starving artist." He says, "It's been very difficult figuring this out." ...