I'm wondering if you could fill in any concrete progress that has been made in terms of the U.S. presence and engagement since then.

WHITEHOUSE: The White House

Extreme dragsters fill door jambs with concrete, use bulletproof glass and bolt doors shut.

FORBES: Royal Boom

The question is whether some cities have overdone it, meaning the boom will end sooner than expected as second and third tier cities look to fill in vacancies at residential and commercial developments before they mix more concrete to build more.

FORBES: Barclays Warns On China