The Prime Central London property market has been subdued to say the least over the past few years, but lower prices and a strong dollar are now providing a strong incentive for US buyers to take the plunge.  The Knightsbridge area is attracting particular interest after a makeover by the area’s biggest landlord.  Property Commentator Anne Ashworth hears the latest about what’s going on in London’s smartest districts from Winkworth CEO Dominic Agace, and Christian Lock-Necrews, newly installed as head of Winkworth Knightsbridge.