Certainly, the Tate Modern has earned the right to expand its gallery space with five years of tremendous success as London’s hottest contemporary art museum. But will there really be enough art to fill all that additional space? “Of immediate and growing concern is the oft-repeated criticism that Tate Modern’s collection looks thin and impoverished compared with the scale and grandeur of its monolithic home, [and the museum’s director] has in the past lamented the virtual non-existence of an acquisitions budget for the institution.”