How a view of the famed Acropolis has sparked a legal battle

Greece’s highest court is considering a case about Athenians’ visual access to the landmark Acropolis. Its decision could set a precedent about preserving historic skylines -- and potentially ban construction of high-rise buildings. The matter prompts a fundamental question: is an unimpeded view of sites on the UN's World Heritage List a human right? Special correspondent Malcolm Brabant reports.