“Manhole covers, pipes and wiring have already been targeted for theft in many cities, thanks to copper prices that have risen to about $4 a pound from $3.50 a year ago and $1.50 three years ago. In the prosperous Orange County city of Brea, home to a thriving public art program, big bronze sculptures are now on the hit list. The city has lost three such works in the past 18 months.”