World

Paul McGeough

Paul McGeough is chief foreign correspondent for the Sydney Morning Herald.

A Dallas policeman keeps watch on a street in downtown Dallas.

A three day spasm of violence grips US - what does this say about America?

A three-day spasm of violence and protests in cities across the US climaxed Thursday night with the killing of four cops and the wounding of seven more in Dallas Texas by what police said were "two snipers [shooting] from elevated positions" during a protest over the latest white-cop/black- victim killings.