When President Obama sits down to dinner on Monday night in Providence, Rhode Island fruit and vegetables, cheeses, meats and chocolates will be on the table. From community gardens to a vineyard, the state’s culinary community has grown to the point it can feed a president from its own backyard. As soon as Johnnie Chace knew she’d host the president for a fundraiser for the Democratic Congressional Campaign Committee at her home with husband Arnold “Buff” Chace, she followed one very local path to serve what she hopes is an amazing meal. “The first thing I thought was this is...