Was he feeling nationalistic, hoping to demonstrate his ongoing faith in a Canadian tech company teetering on the edge of collapse?

FORBES: Connect

In sub-Saharan Africa, where much of the population lives on the edge of subsistence, poverty and slow economic growth, or outright decline, increased the likelihood of future state collapse, thereby trapping the countries in a vicious circle of poverty and political instability.

ECONOMIST: By invitation

Last month, the Greek prime minister, Antonis Samaras, warned Europe that his country was on the edge of a Weimar Germany-style social collapse.

BBC: World