I'm curious - Why does the Govt. have such a hard time regulating Uber in the US? In India, the state governments quite easily crack the whip whenever they deem

I'm curious - Why does the Govt. have such a hard time regulating Uber in the US? In India, the state governments quite easily crack the whip whenever they deem it necessary. http://tech.economictimes.indiatimes.com/news/internet/karnataka-may-ban-surge-pricing-by-uber-ola-to-level-the-playing-field-for-cab-operators/50939743 http://tech.economictimes.indiatimes.com/news/internet/karna... http://www.hindustantimes.com/delhi/yes-we-ll-do-it-arvind-kejriwal-on-suspending-surge-pricing-by-ola-uber/story-QUfbtCoggUmY9qqu4WU5mI.html http://www.hindustantimes.com/delhi/yes-we-ll-do-it-arvind-k...