But the popular anxiety that feeds such xenophobic movements is tempting ground for the centre.

ECONOMIST: Displaced, defeated and not sure what to do next

Honeywell executives, who haven't previously discussed the project publicly, say the system uses onboard computers and navigation devices to automatically control aircraft movements on the ground.

WSJ: Honeywell Tests Autopilots for the Tarmac

The middle ground may be that while long-term price movements are random, over shorter periods, trends that attract investment dollars emerge.

FORBES: Are Stock Prices Random Or Chaotic?

There's more common ground between the Tea Party and the Occupy Wall Street movements than you might think - a kind of populist revulsion at what seems to be the irresponsible excesses of the American financial sector and at the unwillingness or inability of the lawmakers in Washington to do enough about it.

BBC: Wall street sign

From 20, 000 feet the movements are not as apparent as those on the ground.

FORBES: Was I Wrong About Michigan?