What is that? Pretending saying a particular phrase will magically end these sorts of things? Or are you suggesting that terror attacks in France are Obama's fault? Or that Obama doesn't think defeating terror cells is important? Which mistake exactly?
The weird thing about all this is that when it comes to eliminating "terrorists," the Obama administration has been far more frightfully efficient than his predecessor.
The Bush administration invaded an entire country in an attempt to take out Osama. The Obama administration sent a SEAL team to his house. While the previous incarnation of the US government used "regime change" as a means of dealing with the problem, the current one is employing ruthless and in some cases indiscriminate deployments of targeted drone strikes and special operations to kill individuals.
If I were a Jihadist, I'd much rather be dealing with Bush's blundering approach.