WASHINGTON, May 7 (TNSletter) -- Albert Ettinger, Mississippi River Collaborative sent a letter to Health and Human Services Secretary Robert F. Kennedy and Environmental Protection Administrator Lee Zeldin regarding nitrate contamination in drinking water and public health risks. The letter has 4 co-signers. * * * Here is the text of the letter: To: Robert F. Kennedy Jr., Secretary of U.S. Dept. of Health and Human Services 200 Independence Ave. S.W Washington, D.C. 20201 Lee Zeldin, Ad  more