Without a strategy or a legal case to legitimate the use of force, the US is endangering crucial alliances and civilian lives.
Michelle Grattan speaks to Deep Saini about the week in politics.
In the main the public have accepted the world has changed, justifying altering the balance between security and rights. But there is still argument over precisely where lines should be drawn.
The September 15 London train bombing that injured 30 was the UK's fifth terror attack this year. A security expert looks at why Europe has been seeing more frequent and bloodier jihadist assaults.
The government seems hell-bent on pre-crime arrest, prosecution, and punishment for terror offenders – while falling short in providing the necessary long-term support.
The effectiveness of the changes to the ADF's role in counter-terrorism operations will depend heavily on the willingness of state police to accept military advice and assistance.
The effects of terrorism in one country spill over across national borders to reduce the trade of other nations. This reduction in trade is long lived and may make it harder to combat terrorism.
It cuts shuts down the chance for dialogue.
One of the London Bridge attackers was linked to the extremist group.
States and territories have agreed to strengthen their laws to ensure a presumption against granting bail or parole when people had 'demonstrated support for, or have links to, terrorist activity'.
There is good evidence that Australia's counter-terrorism strategies are working.
An outline of the ways laws to restrict the activities of terrorist suspects have evolved.
We asked two academics to check the claim made by UKIP leader Paul Nuttall.
Once we switch from focusing on total terror deaths (or attacks) per country to terror deaths per capita, relevant conclusions about what drives terrorism change dramatically.
Theresa May says they have. But let's take a closer look.
Policing culture is often associated with a lack of transparency and a resistance to external examination.
Low-tech threats have been the biggest concern of late, but the Manchester bombing reminds us of a host of security concerns.
The U.S. is considering expanding a ban it imposed in March on several Middle Eastern countries to all flights from Europe. A close look suggests the meager benefits just aren't worth the high costs.
If it were a film, viewers would say it's too far-fetched to be believable.
From the Islamic State to North Caucasian rebels and far-right nationalists, Russia is facing overlapping extremist threats.