Bangladesh, Dec. 3 -- Donald Trumps decision to initiate the process of banning the Muslim Brotherhood marks one of the most significant national-security shifts of his new term. After directing US officials to examine whether key chapters of the Brotherhood should be labeled foreign terrorist organizations – a designation that would trigger sanctions and major legal consequences – the White House has ignited fierce political debate. Critics claim the move is driven by Islamophobia or by crude electoral calculations. Yet such claims miss the point. Far from being a reckless or bigoted crusade, the proposed designation represents a long-overdue confrontation with an ideological network that has skillfully exploited Western open...