Frontline: Dollars And Dentists

Watch Dollars and Dentists on PBS. See more from FRONTLINE. Dental care in America divides people into two camps: those who can afford regular preventive care and cleanings, and those who can’t. In 2011, 33.3 million people in the

The Battle For Canada's Oil

The small town of Fort Chipewyan in northern Alberta is facing the consequences of being the first to witness the impact of the Tar Sands project, which may be the tipping point for oil development in Canada.