Encinitas city officials ---- already wrestling with how to handle a popular but unauthorized surfing Madonna mosaic installed under a rail bridge last month ---- discovered this week that another rogue public art project has gone up at a different bridge in town. But this artwork ---- a painting of a colorful creature with huge teeth along Coast Highway 101 ----- is likely to vanish much more quickly than the intricate stained-glass mosaic that made a huge splash when it appeared in late April. Plans are already in the works to cover up the art with a fresh coat of...