Updated at 5.47pm BST 5.13pm BST Why did Assad apparently carry out such a heinous attack at this particular time, when the US and its allies had shown indifference to smaller attacks and when UN chemical weapons inspectors had just arrived in-country?
"At that particular time, when they left the symposium in the past, they were a couple weeks away from training camp and they were going through information overload.
And I am very happy, very happy at this particular time when everyone is going around like they are in mourning and are crying about lost opportunities, there are diligent private entrepreneurs that know how to make economic considerations".
There was this particular time when somebody said "let's zoom in on Cuba".
But at this particular time when you don't have friends try to finish a painting, a novel or something else that you have been working on.
"We're looking at whether we can do online examinations, so the student doesn't have to come in to a hall, they just need to be sitting in front of their computer at a particular time when the exam is released to their computer," says Prof Taylor.
1 This paper adds to the previous discussion by quantifying how many years behind its comparators the USA has fallen and by exploring whether there was a particular time when US mortality rates began to diverge from the others.
This study quantifies how many years behind comparison countries the USA has fallen and explores whether there was a particular time when US mortality rates began to diverge from those of the comparators.
"I think all of these resignations came at a particular time when it looked like the opposition may have had a very good chance," said Diederick J. Vandewalle, a political scientist at Dartmouth College who has traveled extensively in Libya.
"The idea is that airlines should pay more to land at a particular time when capacity is limited and expansion is not possible," says Bijan Vasigh, managing director of the Florida-based Aviation Consulting Group.
