David Sipress, the author in repose. (Photo by Nina Subin) In this episode of "Strip Search: The Comic Strip Podcast," we had the great fortune to interview David Sipress — one of The New Yorker magazine’s most well-known contributors — about his wonderful new memoir “ What’s So Funny ,” a cartoonist’s origin story that delves into tortured family dynamics and hard-learned life lessons that can make you cringe and chuckle all at once. (The best kind of cringing, in our humble opinion.) Given our Boston base-of-operations, we of course chatted David up about his time at the Boston Phoenix, along with the seminal moment in Harvard Square that presaged his entrance into the world of professional cartooning. But we also got into his creative process, his influences, what makes a New Yorker cartoon a New Yorker cartoon (spoiler alert: there is no such thing, at least not anymore), and why cartoonists (and other creative folk) have an advantage over, well, everybody else: "F