Solitude is likely to persist at park Its owner, TXU, cites noise, security climate, potential hazards North Lake Park used to be a happening place, even during the holiday season. Radio-controlled jets used to streak through the skies above while motorboats and water-skiers skimmed the surface of the 850-acre lake. Families and friends would gather on weekends around the picnic tables. In 1986, about 25,000 people listened to evangelists rail against rock 'n' roll and secular education with the lake in the background. There used to be a two-mile Christmas lights display along the lakeshore each December. Today, the only...