The Colorado River is supposed to end at the Gulf of California, but hasn’t done so for decades. A joint effort between the United States and Mexico seeks to change that.Today, we travel to the Colorado River Delta to see what’s happening. Read the full transcript here.Host: Gustavo ArellanoGuests: L.A. Times water reporter Ian JamesMore reading:A pulse of water revives the dry Colorado River DeltaThe river’s end: Amid Colorado water cuts, Mexico seeks to restore its lost oasisListen to our special Colorado River series here