Elizabeth Austin’s revealing and emotional story “I Was the World’s Worst Cancer Mom” has really hit a nerve with our readers. Earlier today, Narratively co-founder Brendan Spiegel sat down with Elizabeth to chat about what’s happened in her life since she wrote this piece, how she’s built her successful career as a freelance writer, and much more. We had a really fun chat—thanks so much to everyone who joined and chimed in with such interesting…