The protests at the American Bankers Association Conference in Chicago are over, but the campaign of venting anger and criticism against the nation’s largest banks continues.

Today, protesters in Oregon and Washington are planning to walk into local branches of J.P. Morgan Chase and cancel their personal checking and savings accounts. The act is meant to protest CEO James Dimon’s opposition to the Obama Administration’s proposal to create a new consumer protection agency. [Dimon has said the new agency would create cumbersome,...