"Public speaking can be terrifying. For David Nihill, the idea of standing in front of an audience was scarier than cliff jumping into a thorny pit of spiders and mothers-in-law. Without a parachute or advanced weaponry. Something had to change. In what doesn't sound like the best plan ever, David decided to overcome his fears by pretending to be a comedian called "Irish Dave" for one full year, crashing as many comedy clubs, festivals, and shows...