Rep. Sheila Jackson Lee’s crazed effort to combat alleged “White supremacy” ignores the fact that America is mercifully free of “White supremacy.” Congresswoman Sheila Jackson Lee is at it again. Now, she’s trying to make it criminal to oppose Democrat party policies and platforms. To that end, she proposed a bill making “conspiracy to commit White supremacy” a federal crime, complete with jail terms. A special focus of the bill is “replacement theory,” which points out the obvious, which is that a constant stream of illegal aliens heading across the Southern border will inevitably outnumber—that is, replace—America’s homegrown population. Notably,...