Joseph Awuah-Darko, an artist working in Ghana, has accused Kehinde Wiley of sexual assault. On Instagram, Awuah-Darko said he was assaulted twice by Wiley at a dinner held by Ghana’s Creative Art Council at the Noldor Artist Residency. Awuah-Darko says that two hours into he and Wiley’s acquaintance, Wiley groped his buttocks, “The act was categorically unwelcome and unprovoked,” he wrote. “The second assault was much more severe...