These days around here we're usually writing about chains closing stores or tapering back growth plans. So it was refreshing to readthis Los Angeles Times article about Forever 21's aggressive expansion.Theretailer, which focuses on selling affordable apparel to youngwomen, is opening a 90,000-sf three-level store in Times Squarenext year, and executives predict revenue will jump from $1.8billion this year to $2.5 billion in 2009. The 400-store chain isalso looking abroad with openings to come in Asia/Wecan't track down same-store sales numbers for the chain as it isprivate, but its growth comes at a time of volatility for publiclytraded apparel chains. For example, same-store sales at Gap Inc.chains dropped 14% year over year in May, while Limited Brandsstores had a 6% slide.Can Forever 21 keep up its growth and goodfortune or is the industry so unpredictable any more that there isno longer any way to tell?