Unifying activities under a single chain of command would tighten security and speed reaction to attacks, advocates say.
They are getting a hearing because of the reaction to attacks in Paris and at home, in San Bernardino.
Tall buildings, shopping malls and government buildings, thousands of which had closed on Tuesday in reaction to attacks in New York and Washington, reopened for business.
The western response to violence against black countrymen in the 1980s was a pale shadow of the reaction to attacks on white farmers in 2000.
Whether Democrats are able to capitalise on this is a different question.Bringing on troubleThe event that crystallised the change was Mr Bush's reaction to attacks against American soldiers in Iraq two weeks ago.
Implementation of the PPS design addresses the systematic and integrated protection of assets in anticipation of adversary attacks, rather than in reaction to attacks after they occur.
During the interview, she was reportedly asked about her reaction to attacks by al-Qaeda, and responded: "I don't have any opinion", before blaming the US for civilian deaths.
The introduction of castles to Denmark was a reaction to attacks from Wendish pirates, and they were usually intended as coastal defences.
Discussions have typically attributed the rise of the castle to a reaction to attacks by Magyars, Muslims, and Vikings and a need for private defence.
Unlike a lowing, running cow, a plant's reactions to attack are much harder for us to detect.
