Glassman cites Ronald Reagan who once said economists are people who look at things in practice and then see if they can prove this in theory. He co-authored a book on "Dow 36,000" in 1999. What happened and why? He correctly says the Dow is up to 12,000- and this only after Fed chairman Bernanke's $600 billion quanitative easing on top of low to zero interest rate policies after the 2008 crisis- in the 12 years since. So what happened? Glassman says what he did not account for is the huge decline in the prospects for the U.S. economy, with Congressional Budget Office estimates of 2% growth over the next 70 years, compared to the 3.5% growth in the first 50 years of the 20th century. A lot goes go into this, including the debt buildup, the lack of investment in human capital and K-12 education. The other is the huge volatility in stock returns, and the "discontinuous" risks stemming from things like the home price crash, terrorist 9/11 attack and other such developments. He says he is tired of telling investors to hold on in the face of such huge volatility and uncertainty. He advises a cautious strategy, a pull back from stocks to reduce the downside on returns and a smaller allocation to stocks....