In other words, any move on Baghdad, which Da'ish insists will come, is unlikely to be imminent, but will have to wait until the area already seized is 'secured', and its frontiers controlled.
During his reign, Iltutmish was faced with three problems: defense of his western frontier, control over the Muslim nobles within India, and subjugation of the many Hindu chiefs who still exercised a large measure of independent rule.
Although China recently strengthened its frontier controls, North Korea's are relatively loose.
First, they will ponder the idea of an EU border-police to replace national frontier controls.
The June summit should "examine the possibility of temporarily re-establishing internal frontier controls in case of exceptional difficulty in the management of the [EU's] common external frontiers".
In justice and home affairs, the biggest problem has been sidestepped by letting Britain and Ireland "opt out" of the plan to end frontier controls.
Both Austria and Germany have already talked of invoking a similar clause against Italy.In short, frontier controls are indeed disappearing inside the Schengen area.
The creation of the UK Border Agency to staff and enforce frontier controls – the title placing it at arm's length from government – was part of the same trend.
It lies across the drug route westward from Afghanistan, Pakistan and Turkey, in an area, between Albania, Bulgaria, Macedonia and Montenegro, where frontier controls are less than watertight.
"If she means everything she says, for instance, about keeping frontier controls, then we will have another crisis with Britain on our hands before long," one European diplomat said.
