This form no longer accepting letter sign-ons. Final letter to be posted at in the policy section of the following webpage: https://www.amstat.org/ASA/Science-Policy-and-Advocacy/Letters.aspx?hkey=d5477f2b-ed1b-4b2f-bf26-b37b7bf9a145. Or by contacting Steve Pierson: pierson@amstat.org.