Independence Day is a hallmark of the American experience. It is remembered as the day America's founding document, the Declaration of Independence, was signed by the Founding Fathers on July 4, 1776.

As many things prescribed to American antiquity -- including Paul Revere's ride and Betsy Ross sewing the first flag -- that's not completely accurate. The Declaration of Independence was actually signed on August 2, 1776, and the Continental Congress declared independence on July 2, 1776.

(Credit: ThinkProgress.org)

(Credit: ThinkProgress.org)

After the US Supreme Court last week struck down the Defense of Marriage Act, more shots are being fired in the culture wars. Rather than setting the stage for same-sex marriage, Ohio joins Texas in introducing state measures restricting abortion.

President Obama signs healthcare reform in 2010 // Credit: Reid.senate.gov

President Obama signs healthcare reform in 2010 // Credit: Reid.senate.gov

Can a state unilaterally suspend the operation of ObamaCare within its borders? Of course not. That measure would violate the Supremacy Clause of the Constitution. We fought a Civil War over that question.