Daniel Greenfield, a Shillman Journalism Fellow at the Freedom Center, is an investigative journalist and writer focusing on the radical Left and Islamic terrorism. A decade ago, Hina Shamsi was fighting on behalf of the Holy Land Foundation whose leaders had been convicted of providing material support to Hamas. As the head of the ACLU’s National Security Project, Shamsi, a Pakistani citizen, had fought fiercely for the Islamic terrorists at Guantanamo Bay. “We all must pledge — not one person more in Guantanamo, not in our names,” she recently declared. But now the Pakistani advocate for Islamic terrorists has a...