The vote of 366 to 58 by which the aid bill for Ukraine, Israel, and Taiwan passed the House will, we’d like to think, put paid to doubts about the fidelity of the broad American public to our common cause in the current crises. That point is all the more newsworthy given the debate that has been underway on the libertarian right. It has been probing whether and how far America should invest in these wars. That debate has a pedigree in our history.