Shawn Ritenour writes in The Patriot-News of Harrisburg, Pennsylvania:

Recently the classical liberal legal scholar Richard Epstein criticized “hard-core libertarians.” These extremists want to keep out of “foreign entanglements.” If, as the extremists propose, we act only when there is a direct threat to the United States, “it may be too late.” We should strike immediately against the “forces of death and destruction” such as ISIS. We must spread liberty throughout the world in general, and the Middle East in particular.