POLITICO Get the POLITICO Global Pulse newsletter Email Sign Up By signing up you agree to receive email newsletters or updates from POLITICO and you agree to our privacy policy and terms of service. You can unsubscribe at any time and you can contact us here. This sign-up form is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. This week we're exploring the crucial role of behavior change in the pandemic response. THE BIG IDEA Mark Lennihan/AP Photo THE SECOND SHOT AT COVID — Getting people to change their behavior didn’t stop the spread of coronavirus.