A month into the partial government shutdown of the Department of Homeland Security (DHS) — thanks in no small part to separating DHS funding from the rest of the government combined with an unwillingness to address Senate filibuster rules — there have been two Islamist terror attacks on U.S. soil in Austin, Texas and New York City as the war in Iran rages on. Founded in 2002 in response to the terrorist attacks of Sept. 11, 2001 by al Qaeda, who boarded jets to fly them into the World Trade Center and the Pentagon, the Department of Homeland Security’s purposes...