But the tendency has been to keep critical views within the fold.
Silver highlighted the fact that the Tunisian government underestimated the impact the summit would have on its ability to keep critical voices quiet.
It is the cholesterol-carrying protein in your blood that acts like arterial Drano, helping to keep critical blood vessels from clogging up with circulation-impeding deposits.
But an outdated permitting process that can drag on for 10 years or more stalls domestic mining and keeps critical minerals out of the hands of American manufacturers.
She designs "active hardware metering" chips that, in devices connected to the internet, can remotely identify them and if necessary switch them off.An obvious countermeasure is to keep critical defence equipment off the net.
It's easy in a small space to keep critical components squeezed together and close at hand, the better for the right enzymes to encounter the right substrates in a timely fashion and a million tiny bonfires to burn.
A spokesman for HSBC's Middle East operations said the bank had robust contingency plans in place for crisis situations, designed to keep critical services, including cash machines and call centers, functioning in times of disruption.
The pump shorted out last Saturday, knocking one of the lab's two ammonia coolant systems out of action and forcing the six-member crew to reduce power usage throughout the station to keep critical equipment from overheating.
The president's office has also come under fire for its measures to keep critical crowds away from the roads to public appearances, with one prefect in La Manche removed from his post after Sarkozy was heckled when arriving for a visit to the area earlier this year.
There are real fears not only that countries like Zambia and Malawi will be unable to put more people on Aids drugs (which are now known also to prevent infections) but that they might even run short of cash to keep critical supplies going for those already on treatment.
It turns out that the New England Patriots' true intentions for Wes Welker were revealed long ago, in September, before his quarterback and friend Tom Brady took a below-market contract extension to create salary-cap space to help his team keep critical parts, before the owner Robert K. Kraft said this week that he wanted Welker to be a Patriot for life.
