New rules published in the Federal Register would allow certain civilians to call American soldiers into action inside the U.S. to prevent environmental damage or respond to "special events" and "other domestic activities." The alarming warning is contained in proposed rules published last week for the Department of Defense's "Defense Support of Civil Authorities" plan. Under the U.S. Constitution, soldiers inside the country essentially are tasked with the responsibility of quelling "insurrections" and repelling invasions as well as making sure each state has access to the republican form of government. But the new rules go far beyond that, essentially establishing...