NORAD is working. There are some who want to give NORAD more missions, more domain awareness, etc., and that may happen, but this all comes at an incredible cost. That's where we may have to make some tough decisions. As Dr. Sokolsky said, we're obligated to defend Canada and to defend North America. Anything else is after those two missions have been achieved.
On April 21st, 2016. See this statement in context.