Guest Nicholas Cueva; Chelsea's up. We review Cyprien Gaillard at Gladstone, David Hockney at PACE, Cy Twombly at Gagosian, Josef Strau at Greene Naftali, Darren Bader at Andrew Kreps, Cosima Von Bonin at Petzel, Isa Genzken at David Zwirner, and Laura Provost at Lisson, We take a call from "Alex" and the question is asked "Do you guys really not like Cy Twombly?". WARNING: One man's terrorist is another man's freedom fighter.