Why is Ireland the U.S. government’s third-largest creditor?

It’s no surprise that economic juggernauts China and Japan keep swapping places at the top of the list of biggest U.S. creditors. What might strike observers as odd, however, is that tiny Ireland has been lurking at No. 3 for more than a year. The country holds more than $310 billion in U.S. gove...

Why is Ireland the U.S. government’s third-largest creditor?