Cullen's American Grille and Whisk(e)y Bar shuttered unexpectedly on April 6 after nearly 10 years of service. The giant restaurant, at 11500 Space Center Blvd. in Clear Lake, will be converted in a medical center, according to a statement posted on the restaurant's website. Cullen's did not provide further details about the medical center, but the statement said the redesign of the building would begin immediately. Ryan Roberts, general manager of Cullen's American Grille & Whisk(e)y Bar,...