You can't swing a crooked congressman this election season without hitting a reference to the "middle class."But another U.S. economic demographic is quietly gaining strength: the "millionaire" club, one set to add a slew of members by 2017.

http://business-news.thestreet.com/wickedlocal/story/ranks-of-millionaires-still-soaring-by-2017-study-says/11738681