Reaganomics >did< bolster Laffer, as had Kennedy before (and quite possibly GWB after). The problem with Reagan policy wasn't tax revenue, it was spending.
Why the "pop quiz hotshot" crap? You got a term paper you want us to write or something?
If you push something hard enough, it will fall over. Fudd's First Law of Opposition
Since he's so insecure he has to strut around, trying to sucker people into arguments. No matter what they say, he'll find a simple contradiction or mistatement, ignore the whole point of the conversation, and hammer on that point.