President Barack Obama greets audience members after delivering remarks on the economy, at the Lake Harriet Bandshell in Minneapolis, Minn., June 27, 2014.

President Barack Obama greets audience members after delivering remarks on the economy, at the Lake Harriet Bandshell in Minneapolis, Minn., June 27, 2014.

President Barack Obama waves at the crowd after delivering remarks on the economy, at the Lake Harriet Bandshell in Minneapolis, Minn., June 27, 2014.

President Barack Obama waves at the crowd after delivering remarks on the economy, at the Lake Harriet Bandshell in Minneapolis, Minn., June 27, 2014.

President Barack Obama greets introducer Rebekah Erler’s son before delivering remarks on the economy at the Lake Harriet Bandshell in Minneapolis, Minn., June 27, 2014.

President Barack Obama greets introducer Rebekah Erler's son before delivering remarks on the economy at the Lake Harriet Bandshell in Minneapolis, Minn., June 27, 2014.

President Barack Obama eats ice cream as the press covers his visit to the Grand Ole Creamery on Grand Avenue in St. Paul, Minn., June 26, 2014.

President Barack Obama eats ice cream as the press covers his visit to the Grand Ole Creamery on Grand Avenue in St. Paul, Minn., June 26, 2014.

President Barack Obama jokes with a youngster while walking down Grand Avenue in St. Paul, Minn., June 26, 2014.

President Barack Obama jokes with a youngster while walking down Grand Avenue in St. Paul, Minn., June 26, 2014.

President Barack Obama talks with employees during a stop at the Golden Fig in St. Paul, Minn., June 26, 2014.

President Barack Obama talks with employees during a stop at the Golden Fig in St. Paul, Minn., June 26, 2014.

President Barack Obama, left, participates in an interview with George Stephanopoulos of ABC at the Sea Salt Restaurant at Minnehaha Park in Minneapolis, Minn., June 26, 2014.

President Barack Obama, left, participates in an interview with George Stephanopoulos of ABC at the Sea Salt Restaurant at Minnehaha Park in Minneapolis, Minn., June 26, 2014.

President Barack Obama has lunch with Rebekah Erler at Matt’s Bar in Minneapolis, Minn., June 26, 2014. Erler is a 36-year-old working wife and mother of two pre-school aged boys who had written the President a letter about economic difficulties.

President Barack Obama has lunch with Rebekah Erler at Matt's Bar in Minneapolis, Minn., June 26, 2014. Erler is a 36-year-old working wife and mother of two pre-school aged boys who had written the President a letter about economic difficulties.

President Barack Obama stands in the doorway of a new light rail car as he talks to Mark Fuhrmann, New Starts Program Director, at the Metro Transit Light Rail Operations and Maintenance Facility in St. Paul, Minn., Feb. 26, 2014.

President Barack Obama stands in the doorway of a new light rail car as he talks to Mark Fuhrmann, New Starts Program Director, at the Metro Transit Light Rail Operations and Maintenance Facility in St. Paul, Minn., Feb. 26, 2014.

President Barack Obama and Transportation Secretary Anthony Foxx tour the interior of a new light rail car at the Metro Transit Light Rail Operations and Maintenance Facility in St. Paul, Minn., Feb. 26, 2014.

President Barack Obama and Transportation Secretary Anthony Foxx tour the interior of a new light rail car at the Metro Transit Light Rail Operations and Maintenance Facility in St. Paul, Minn., Feb. 26, 2014.