David Rosenberg: When no one is calling for a recession or market crash, here's what usually happens

I know I keep harping on this one theme: that the consensus is rarely right at inflection points. And right now, we don’t just have a consensus; we have unanimity. That should give every serious investor a cause for pause.

The bullish drumbeat has reached a deafening crescendo. The economy? Robust. Earnings? Set to soar double digits. Equities? Nothing but blue skies ahead. If you didn’t know any better, you’d think we’d entered some sort of financial nirvana where risk has been permanently...