There’s a rap against Hillary Rodham Clinton: that she’s cold, robotic. That was certainly not the persona she presented on her visit to Seattle this week. If Clinton were a robot, she’d be the Rock ‘Em Sock ‘Em variety, with a healthy dash of reflective and forward-thinking feminist, doting grandmother and super-sharp political analyst. Clinton was on the road with her new book, “What Happened.” The work is a reflection on her failed run for president, and how she is recovering from the loss.