Immigration. Very sad and shows how deeply dysfunctional our system is. This is really hurting innovation—and other countries, like Canada, U.K., Chile and Spain, have moved way ahead of us. Very frustrating.
[Editor’s note: To tap the wisdom of our distinguished group of Xconomists, we asked a few of them to answer this question heading into 2015: “What’s the most important issue that didn’t get addressed in 2014?” You can see other questions and answers here]