Oh, c'mon Allen.  Housing bubble?  OK.  Immigration bubble?  Nope.  Not even a refugee bubble, although because there's so much border-jumping action within the a few months, that's the perception.  But overall?  Nah.  Suggest the government is right on target.  It's just happening differently.

Boomer bubble?  Sure.  Back in 1960.  The great die-off has begun.  It's always that way when a good percentage of your cohort is over 65 (I'm a leading edge boomer and today (Let the bells ring out!) I celebrate 71 years. 

Debt bubble.  Could be.  Yet, savings rate--according to the good professor here--has actually risen a bit...