A North San Juan man was arrested and booked into county jail after allegedly stabbing his ex-girlfriend in the leg during a domestic dispute. The woman, who was not identified, had gone to Richard Dorton’s residence Monday to retrieve some of her belongings, said Nevada County Sheriff’s Capt. Jeff Powell. She was there with her stepfather and another man, identified as Shane Moran, Powell said. Dorton allegedly became angry when she started loading her children’s belongings into the truck, grabbed her arm and pulled her out of the vehicle. Moran then grabbed Dorton’s shoulder to pull him away from the …