Marian Burros

Scary sushi? That was the gist of Wednesday's front-page story by health reporter Marian Burros, "High Mercury Levels Are Found In Tuna Sushi Sold in Manhattan." A front-page photo caption warned: "Tuna sushi is a popular item in New York but may be risky."It remains the Times's most e-mailed story as of Thursday afternoon, so it's no doubt an issue near and dear to the heart of Manhattan's…