Barack Obama holds degrees from Ivy League institutions, has taught at a prestigious law school , and has held public office two decades, most recently, the highest office in the land. Why, then, must he adopt that silly adolescent vernacular when he addresses us extemporaneously? Example: "...doing a whole bunch of different stuff." He loves the word "bunch." If there is more than two of something, it's probably a bunch. If something happens a lot, it happens a bunch.
And what's with Obama and "folks"? Whether friend or foe, rich or poor, young or old, a set of two or more human beings constitutes folks.
So, he's at his most irritating when speaks of a 'bunch of folks," which he does frequently. This is even more irritating than "a bunch of stuff," at least to me.
Obama is also said to have that "try and" tic, though that is still undetermined." I refer to the habit that many of you have of saying, for example, that you try and do something when you mean that you try to do something. Isn't it obvious to you that you not saying what you mean? The trying and the doing would be two different efforts, but you will attempt only one act. And it's not as if you were using a contraction to save time or letters. In fact, when writing, you're using an extra letter.