Relinquishing apparent national sovereignty does not have to entail a loss of national sovereignty, but can actually be a benefit.

These violations of our national sovereignty have to stop,

You can't get closer to the heart of national sovereignty than national security and intelligence services.

National sovereignty is an obligation as well as an entitlement. A government that will not perform the role of a government forfeits the rights of a government.

The idea that you surrender your identity when you relinquish national powers is unhelpful. No, indeed, precisely the opposite is the case: if done in an intelligent way, you attain the sovereignty to better solve national problems in cooperation with others.

It was in the 20th century that national sovereignty really ruled the roost, and the E.U. was formed to cure that.