 Complete the following phrase:  According to the National Gallerys exhibition curator Christopher Riopelle, both Charles I Insulted and Delaroches other painting, Marie-Antoinette Before the Tribunal, painted fifteen years later in 1851, suggest episodes of the suffering of Christ. Riopelle added that Delaroches obsession with English royalist history was classic displacement of what you want to talk about but cant, because its still so raw and recent, particularly referring to 