Stalwart peacemongers may still disagree, but at least they'll be challenged to counter his answers with answers of their own.
Sageman's book is a bold challenge to counter-terrorism's conventional wisdom.
The challenge is to counter the computational complexity, which grows proportionally to n3, where n is the number of video streams.
The fundamental argument though, that I still challenge anyone to counter, stems from a question that a friend asked me once: What problem can't be solved by having a more educated populace?
One of our nation's greatest challenges is to counter what I refer to as "the flat thinking" engendered by the digital world, where young people surf the Web and immediately (supposedly) "assimilate" information.
In a recent op-ed, Fareed Zakaria challenged Muslims to counter the bigotry and hate within Islam itself in order to counter those that are directed at Muslims.
Without mentioning the dismal voter turnout at the European parliamentary elections last month, the foreign secretary said there was a big challenge for pro-Europeans "to counter apathy or negativism about the E.U".
A big challenge for Xerox is to counter the image it had developed as a vendor of highly sophisticated products that sold at premium prices and were often loaded with more accessories and functions than many customers wanted.
To define strategies to counter challenges to the implementation of these technologies in the case of Plan Ceibal .
To define strategies to counter challenges to the implementation of these technologies in the case of Plan Ceibal.
Good planning allows adequate time to account for unexpected challenges and having mechanisms to counter such situations through effective management strategies.
