This spring the U.S. fertility rate dropped to another historic low. And a potential American baby bust has become a campaign issue. WSJ Chief Economics Commentator Greg Ip answers your questions on the causes and consequences of the falling fertility rate in the U.S. And reporter Liz Whyte explains what policies the presidential candidates are proposing and how they may—or may not—make an impact. Charlotte Gartenberg hosts.    Further Reading How America’s Baby Bust Became an Election Issue  Why Tech Elites Want Us All to Have More Kids  More Cash for Kids Is Popular. It Might Not Be Wise.  Suddenly There Aren’t Enough Babies. The Whole World Is Alarmed.  Why JD Vance Worries About Childlessness  Learn more about your ad choices. Visit megaphone.fm/adchoices