Conversations are being held in Citrus Heights about the survival of the Sunrise Mall. City leaders say that 30% of the mall is vacant and sales in other stores are declining. Anchor stores in the mall like SEARS are closing. Many retailers are saying that online shopping is driving sales in their stores down at an accelerating pace. National statistics report that online sales are up another 10% while in-store sales continue to decline. This Thursday, Citrus Heights City Council will discuss a redevelopment proposal for the mall area.A Leaders call the mall the citya s biggest economic engine, and they depend on sales tax revenue from its profits.