Actually, Obama stole “Make no mistake” from President George W in the 9/11 era. It was not popular in politics until Bush said it. And it’s quite ironic that Obama adopted a phrase from Bush, when Good Ol’ W. was considered ineloquent by the left.
To prove my observation, here’s the extremely-liberal Slate complaining about Bush using this phrase too much back in 2004:
So, yeah, Obama stole it. Bush using it made him sound stupid, but Obama using it made him sound Presidential, right? SMH. Typical political hypocrisy.