WASHINGTON, D.C. (AP).- Renowned architect Frank Gehry explained his ambitious design for a future Dwight D. Eisenhower Memorial to architecture colleagues Tuesday night, saying criticism of the sweeping scale of his project honoring the 34th president has mostly been fair. Famous for his striking structures with undulating exteriors, Gehry said his design is evolving for his first project in Washington. He explained his concept to the editor of Architectural Record and others at the Corcoran Gallery of Art. The design draws on Eisenhower’s homecoming speech after World War II when the war hero spoke of a barefoot boy from Kansas who went on to fame in Europe. The design would include