Author discusses updated version of book about REITs.
KPMG poll of industry execs revealed challenges, opportunities.
Survey shows uncertainty is a growing concern.
REIT recognized for comprehensive strategy.
CEO emphasizes importance of high levels of liquidity.
Poll finds tenants placing more emphasis on communications technology.
Survey reveals real estate viewed as safe investment in turbulent market.
Lack of supply may be silver lining.
Jonathan Litt of Land and Buildings predicts REITs to best broader markets.
Jobs key to office recovery.