Al and Lauren MarcoveThere are myriad reasons to remember Al Marcove, the restaurateur, caterer, hamburger guru, mentor and unofficial "Mayor of Cherry Creek Mall," who died April 22.But Marcove's greatest legacy is almost assuredly that he celebrated life by treating people -- employees, acquaintances, friends and customers -- with integrity and respect. "Always striving for a higher level of customer service, quality and innovation, Al was unrelenting and the most loyal friend and employer tha