Thursday’s “Red Nose Day Special” on NBC finally brought American viewers the long-awaited “Love Actually” reunion, and it seems many of the beloved holiday movie’s characters haven’t changed a bit since 2003. Titled “Red Nose Day Actually,” the 10-minute film opened with Juliet (Keira Knightley) and Peter’s (Chiwetel Ejiofor) couch-snuggling interrupted by the doorbell, which revels...