In the United States, liberals have made it virtually impossible [to increase the supply of oil] by banning drilling in all sorts of places and preventing any new refinery from being built anywhere in the country in the last 30 years.
![In the United States, liberals have made it virtually impossible [to increase the supply of oil] by banning drilling in all sorts of places and preventing any new refinery from being built anywhere in the country in the](http://cdn.quoteddaily.com/images/thomas-sowell/in-the-united-states-liberals-have-made-it-virtually-impossible-to-increase-the-supply-of-oil-by-banning-drilling-in.jpg)
In the United States, liberals have made it virtually impossible [to increase the supply of oil] by banning drilling in all sorts of places and preventing any new refinery from being built anywhere in the country in the last 30 years.