A million dollars isn't what it used to be. Nearly 24 million Americans have at least $1 million of net worth. Still, financial people often say so-called middle class people, like government employees, you need to accumulate a million or two to ensure a comfortable retirement. A new book called Middle Class Millionaire Government Employee discusses this very topic.

Plus, TSP investors seem are getting more aggressive, judging by the mix of funds they're investing in. The safe but slow-growing G-fund is no longer the favorite. For analysis of what's going on, I spoke with certified financial planner Art Stein of Arthur Stein Financial.

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