The Colorado River is the water lifeline for tens of millions of people across the American Southwest, which couldn’t have developed the way it is today without it. But all the damming and diversion done to the Colorado has put it at a tipping point where a future with no water is no longer just fantasy but perilously possible.Today, “The Times” kicks off “a six-part special on the future of this vital waterway. New episodes will publish every Friday through Feb. 10. Follow the project here. Read the full transcript here.Host: Gustavo ArellanoGuests: L.A. Times water reporter Ian JamesMore reading:Colorado River in CrisisThey sounded alarms about a coming Colorado River crisis. But warnings went unheededVideo: Desert suburbia is growing. But the Colorado River, and Arizona’s groundwater, cannot keep up.