Ever since Barack and Michelle Obama toured the White House on Nov. 11, the press has been speculating about the couple’s redecoration agenda. On Thursday, the Associated Press asked several interior designers to offer advice. Taniya Nayak of HGTV’s Designed To Sell said the “stone, fabrics, and flooring” of the Green Room should be made from green products; Charles B. Smith of Charles Smith & Associates thinks the state dining room should glow “with soft colors” like “pale yellows, ‘pêche,’ creams and white.” But how much control does the first family really have over the appearance of the White House?