The Washington Commanders lost 25-10 to the Dallas Cowboys Sunday. Here were some moments that led to the defeat. The Washington Commanders (1-3) are heading back home shaking their heads after a 25-10 loss to the Dallas Cowboys (3-1) Sunday at AT&T Stadium in Arlington. During the loss, several patterns began to resurface from previous weeks as we learn more about who the Commanders really are a quarter of the way into the season. Here are three observations … JAHAN DOTSON IS FOR REAL Washington Commanders rookie wide receiver Jahan Dotson nabbed his fourth touchdown in as many games to…