What: Jerry Seinfeld Where: 700 Wellington St, Perth. When: August 4th Info: Entertainment icon Jerry Seinfeld will tour Australia in August 2017 performing a live stand-up show filled with his trademark humour, wit and sharp observations about day-to-day life. What: Sydney Comedy Festival Showcase Where: Regal Theatre, 474 Hay Street, Subiaco. When: August 5th http://regaltheatre.com.au/events.php…