Before a 240-mile train connecting Houston to Dallas becomes a reality, the folks proposing it must convince an unknown number of property owners to sell them their land. The company behind the project, Texas Central, says it has agreements to buy a portion of the land it needs, but it’s facing opposition from some landowners who believe the train will ruin the character of the area. The Chronicle’s transportation reporter Dug Begley joins Nancy and Erin to explain this controversial project that connects business, politics and culture.