For that only gives cover, and sometimes makes an excuse, for those who do resort to violence.

WHITEHOUSE: Remarks by the President to the UN General Assembly

One explanation of Black Friday riots is that overcrowding, long queues and insufficient stock makes customers dissatisfied and more likely to resort to violence.

FORBES: When Good Customers Go Bad: How To Pick Up The Black Friday Pieces

He said Muslims had previously accepted a "covenant of security" which meant they should not resort to violence in the UK because they were not under threat there.

BBC: NEWS | UK | UK Politics | Terror treason charge considered

Unless all this was set in train rapidly, a weary-looking Mr Xhaferi was telling people this week, a renewed resort to violence by his people would be inevitable.

ECONOMIST: Charlemagne

"We have always said it before: The police would only engage is (when) commercial areas are blocked, lives are risked, or protesters resort to violence, " said Fahad Binali, spokesman for the Information Affairs Authority.

CNN: Fresh clashes in Bahrain as protester is buried

And it is true, as Gershom Gorenberg argues in his racy discussion of the various weird cults with designs on Temple Mount, that Jerusalem does not want for religious crackpots of every persuasion who would resort to violence in pursuit of some millenarian dream.

ECONOMIST: Hope in a hate-infected city

Likewise, Guatemalans must resort to self-help to counteract the prevailing violence and criminality.

CENTERFORSECURITYPOLICY: Guatemala: A security challenge