Donald Trump was unable to connect on a layup question from a Fox News anchor Tuesday — and instead turned a question about the price of groceries into a boastful rant. The former president appeared Tuesday morning on “Fox & Friends,” where anchor Lawrence Jones asked him to comment on concerns about food and gasoline prices expressed by some conservatives interviewed at a diner. “Mr. President, a lot of people believe you are at your best when fighting for American people,” Jones said. Want more breaking political news? Click for the latest headlines at Raw Story. “We just heard in the diners…