A shaky U.S. banking system

<p>First Republic on Monday became the second largest bank to fail in U.S. history. Since March, we've seen three of the four biggest U.S. bank failures ever. So what’s wrong with our banking system?</p> Plus, a warning on the debt ceiling. And, why allergy seasons are getting worse, and how to cope. <p>Guests: Axios' Felix Salmon and Arielle Dreher.</p><p>Credits: Axios Today is produced by Niala Boodhoo, Alexandra Botti, Robin Linn, Fonda Mwangi and Ben O'Brien. Music is composed by Evan Viola. You can reach us at podcasts@axios.com. You can te...