Drivers in the greater Sacramento region who are still using handheld cell phones or texting will be targeted for special enforcement in a campaign that started Monday. Extra law enforcement officers from 37 police departments and the California Highway Patrol will be on the streets through March 10, looking for those putting themselves and others in danger by these distracted driving practices. This marks the second of three special high-visibility enforcement periods, testing tactics that may be employed nationally in the future. The National Highway Traffic Safety Administration awarded the California Office of Traffic Safety $600,000 to fund three waves …