I always knew when my high school Algebra teacher, Mr. Sobel, was going to tell one of his signature jokes: He paused. Eyes twinkling, with a little smile curling his lips, he’d stand in a pregnant silence. And we all leaned forward, every one of us kids, in delicious expectation (he was a darn good joke teller). That moment of silence was rich with anticipation, and always worth the wait. Mr. Sobel was a master of the Pause. So is any speaker worth their salt who wants to capture their audience’s attention and help them know that what they’re about …