Do you feel like you’re drowning … but you haven’t even left your couch? Welcome to the Great Content Overload Era. To help you navigate the choppy digital waves, here are The Globe’s best bets for weekend streaming. The Sympathizer, Crave Next in HBO’s coveted Sunday night slot is this seven-part limited series based on Viet Thanh Nguyen’s 2015 Pulitzer Prize-winning spy thriller about a double agent named the Captain (Hoa Xuande) who embeds within a Vietnamese refugee community in Los Angeles after the fall of Saigon. Fittingly for a show about a man with two faces, it took two...