How can any society claim to be "free" when the state can go through your private, often commercially sensitive, informations every time you cross a border in the US? How can any society make a claim to be "free" when many states do not permit women to have control over their own bodies?
The US these days has less freedom than Russia.
Every nonzero finite dimensional inner product space has an orthonormal basis. It makes sense, when you don't think about it.