Ethan Slater is trying to get used to the attention he’s receiving for both his professional and private lives. He’s making his big-screen acting debut as the lovesick Boq in Jon M. Chu’s “Wicked” opposite Ariana Grande, Cynthia Erivo, Jonathan Baily, Michelle Yeoh, Jeff Goldblum and Marissa Bode. Last year, Slater and Grande faced scrutiny […]