>> i thinknk it an excitingng time in the e metropopolitan are in the first quartrter of next openr, the metro line will connecng out. ere is a l of utious optimism about what tysons cornerill look like. th have 24 milln feet of ofoffice space which is bigger than most central business districts across the country. alloware areas that could the dedevelopment of another 20 million square feet. will not happen in five years. success,ng at other it is a destination. peopleove the mixed-use environmenent. had very good urban planning. it was very haphazard with the growth. the parking lot of tysons one ill has some vacancies. deloitte is taking less space when they move over. >> explain why we should not be overly concerned abobout the fat it is taking the region longer to catch up. d.c. is second oy to new york in terms of e price of rental squa foot. in virginia,he rent rates are catching uand growing past recession rates. in manassas and woodbridge, there is a lull. is that a cause for concern? >> we're changing the way we work and the kinds of office buildings the market is seeking.