Sarah, Matt, and Ezra dive into how other countries design parental leave policies — and what the US could do better. Plus: a white paper on subways, and outer space! References and further reading: RAND review on child care allowance Pew research finds birthrates are down while the desire to have kids is not ProPublica relates mothers to candy wrappers Henrik Levin charts attitudes toward working mothers with school-age children White paper on subways and pollution in urban centers  Learn more about your ad choices. Visit podcastchoices.com/adchoices