"Another exhilarating late-career opportunity for McKellen to really bare teeth, but this time he has a script that's actually able to match him" - The Guardian ★★★★"McKellen's show - he's having such a fantastic time that the results are as thrilllingly visceral as if we're in a theatre watching him perform live" - Time Out ★★★★What is the value of art? Does it reside in personal expression? Cultural longevity? Financial worth? These questions fuel this gloriously entertaining comedy, directed by Steven Soderbergh and written by Ed Solomon.A mainstay of the London art scene since his starry…