“The Prado has in the last several years hired a crew of gifted young curators under an ambitious young director with Byronic good looks named Miguel Zugaza. Now there’s a serious and world-class exhibition program, more than two million visitors annually (this year a record number is expected) — and, just opening, a 237,000-square-foot extension. It’s said to have cost several times more than was budgeted; but then, so did your kitchen. The final price tag was $219 million.”