This past November, Missouri's conservative Defense of Liberty PAC scheduled a high-profile event featuring a speech by Donald Trump, Jr. On November 9, however, WePay—a JPMorgan Chase subsidiary that provided the payment services for the event—announced the termination of those services. WePay accused the organization of violating its policy against promotion of "hate, violence, racial intolerance, terrorism, the financial exploitation of a crime, or items or activities that encourage, promote facilitate or instruct others regarding the same." Although WePay eventually reversed its decision, the organization had to cancel the speech. WePay's actions followed a series of similar incidents in recent...