Speculation about terrorist plots based on limited information is a fool's game. We know very little about Abdul Farouk Abdulmutallab's attempts on Northwest Airlines Flight 253 yesterday, though there are some pretty obvious questions about how he got materials on board, how dangerous they were, and what his associations may be.

Responsible federal officials will wait to get a more detailed picture before popping off in the media, making reckless accusations. Rep. Peter Hoekstra (R)...