Arkansas on map in Democrats' presidential race

Former New York City Mayor Mike Bloomberg ate barbecue in Little Rock with Mayor Frank Scott Jr. in his first of three trips to the state. Minnesota U.S. Sen. Amy Klobuchar first came to Arkansas in August, wooing Democrats over drinks and jazz music at a Little Rock bar.

In Bentonville, Vermont Sen. Bernie Sanders bestowed his rancorous style at Walmart's shareholder meeting in June, inveighing the company to share more of its profits with its workers.

Massachusetts U.S. Sen. Elizabeth Warren made her first campaign stop in the state...