When politicians can face impeachment for inciting violence despite asking people to show their support "peacefully," you would think politicians would weigh their words more carefully. Yet last Thursday, House Speaker Nancy Pelosi claimed that unnamed members of Congress "threatened violence on other members of Congress." "We will probably need a supplemental [appropriation] for more security for members when the enemy is within the House of Representatives, a threat that the members are concerned about, in addition to what is happening outside," the California Democrat warned. Democrats are using the Jan. 6 riot to justify almost any security action, necessary...