Gold ready to crash? Commentary: The problem with precious metals By Jesse Czelusta, Index Rx Last Update: 8:01 AM ET Jun 1, 2006 Jesse Czelusta serves as a technical advisor to the Index Rx investment letter, which is edited by his father, Lawrence Czelusta, and is a PhD candidate in economics at Stanford University. (indexrx.com) SAN ANTONIO, Texas (MarketWatch) -- Despite the recent pullback, gold and silver are very much in fashion. The fact that history has witnessed recurring periods of Au and Ag mania is evidence that Mr. Barnum's estimate of the birth rate is merely a lower bound....