Barratt O'Hara (April 28, 1882 – August 11, 1969) of Chicago was a Democratic U.S. Congressman from Illinois and the last Spanish–American War veteran to serve in congress; born in Saint Joseph, Berrien County, Mich., April 28, 1882; attended the public schools of Berrien Springs and Benton Harbor, Mich.; went to Nicaragua with his father and attended school at San Juan del Norte; at the age of fifteen years enlisted during the Spanish–American War and served as a corporal in Company I, Thirty-third Michigan Volunteer Infantry, at the siege of Santiago; after two years returned to Benton Harbor, Mich., and graduated from high school; reporter, "Benton Harbor Evening News", 1900; attended Missouri University in 1901 and 1902 and Northwestern University in 1909 and 1910; graduated from Chicago-Kent College of Law in 1912; sporting editor of "St. Louis, Mo., Chronicle" in 1902 and the "Chicago American" 1903–1905; editor with "Chicago Chronicle" in 1906, "Chicago Examiner" 1907–1910, and "Chicago Magazine and Sunday Telegram" 1910–1912; Lieutenant Governor of Illinois 1913–1917; chairman of Illinois senate vice and wage investigations 1913–1915; was admitted to the bar in 1912 and commenced the practice of law in Chicago, Ill.; unsuccessful Democratic candidate for the United States Senate in 1915; during the First World War served as a major with the Eightieth and Twelfth Infantry Divisions and later as divisional judge advocate of the Fifteenth Division; president of the Arizona Film Co., in 1916 and 1917; unsuccessful candidate for Governor in 1920, and for Congressman-at-large in 1936 to the Seventy-fifth Congress; radio commentator in Chicago 1933–1935; elected as a Democrat to the Eighty-first Congress (January 3, 1949-January 3, 1951); unsuccessful candidate for reelection in 1950 to the Eighty-second Congress; elected to the Eighty-third and to the seven succeeding Congresses (January 3, 1953 – January 3, 1969); unsuccessful Democratic candidate for renomination in 1968; died in Washington, D.C., August 11, 1969; interment in Oak Woods Cemetery, Chicago, Ill.
The 1958 Maine gubernatorial election took place on September 8, 1958.
 Incumbent Democratic Governor Edmund Muskie, was term limited and seeking election to the United States Senate, thus did not run.
 Democrat Clinton Clauson, then mayor of Waterville, unexpectedly defeated Muskie's chosen Democratic candidate in the primary, and faced off against the popular previous two term Republican Governor, Horace A. Hildreth in the general election.
 Hildreth was the heavy favorite to win, however Clauson was able to narrowly defeat him, retaining the Blaine House for the Democrats.
Michael Earl "Mick" Cornett Sr. (born July 16, 1958) is the 36th and current mayor of Oklahoma City since 2004.
 A member of the Republican Party, he is only the fourth mayor in Oklahoma City history to be elected to three terms and the first to be elected to four terms.
 He also serves as President of The United States Conference of Mayors and served as national President of the Republican Mayors and Local Officials (RMLO).
 U.S. Conference of Mayors.
 He also served as Chairman of the U.S. Conference of Mayors Urban Economic Affairs Committee until 2007.
 He is currently running for the Republican nomination for Oklahoma governor in the 2018 election.
The 1914 United States Senate election in Vermont took place on November 3, 1914.
 Incumbent Republican William P. Dillingham successfully ran for re-election to another term in the United States Senate, defeating Democratic candidate Charles A. Prouty.
 This was the first United States Senate direct election to take place in Vermont following the ratification of the Seventeenth Amendment to the United States Constitution.
This is the electoral history of Ed Markey, a Democratic Senator from Massachusetts.
 He was previously a Democratic Representative from Massachusetts, representing the 7th and 5th districts.
 Markey was first elected in a 1976 special election to replace the deceased Torbert Macdonald, and was re-elected in every subsequent election.
 He was also the Democratic candidate, and winner, of the 2013 special election, for the United States Senate.
The 1940 United States Senate election in Vermont took place on November 5, 1940.
 Incumbent Republican Warren Austin successfully ran for re-election to another term in the United States Senate, defeating Democratic candidate Ona S. Searles.
 Austin would resign in August 1946 to become United States Ambassador to the United Nations; Ralph Flanders was appointed to replace him and went on to win election to a full term in 1946.
The 2018 Massachusetts gubernatorial election will take place on November 6, 2018, to elect the Governor of Massachusetts.
The 2010 United States Senate election in Indiana took place on November 2, 2010, alongside 33 other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections to fill Indiana's class III United States Senate seat.
 Incumbent Democratic U.S. Senator Evan Bayh decided in February 2010 to retire instead of seeking a third term shortly after former U.S. Senator Dan Coats announced his candidacy for Bayh's contested seat.
 No Democratic candidate submitted enough signatures by the deadline to run, leading Democratic officials to choose U.S. Congressman Brad Ellsworth to be the nominee.
 The Libertarian Party nominated YMCA instructor Rebecca Sink-Burris, who had previously run against Evan Bayh in the United States Senate election in Indiana, 1998 but with less success than in this election.
 Republican nominee and former U.S. Senator Dan Coats won the open seat.
Setti David Warren (born May 15, 1970) is the current Mayor of Newton, Massachusetts, and a former Democratic candidate for United States Senate.
 He is the first popularly elected African-American Mayor in Massachusetts.
 Setti is also currently running for Governor in the Massachusetts gubernatorial election, 2018.
 He announced his candidacy on May 20th, 2017.
The 1916 United States Senate election in Vermont took place on November 7, 1916.
 Incumbent Republican Carroll S. Page successfully ran for re-election to another term in the United States Senate, defeating Democratic candidate Oscar C. Miller.
 This was the second United States Senate direct election to take place in Vermont following the ratification of the Seventeenth Amendment to the United States Constitution and the first for Vermont's Class I seat.

Question: Setti David Warren, is the current Mayor of Newton, Massachusetts, and a former Democratic candidate for United States Senate, in which election is he currently running for Governor of Massachusetts?
Answer: Massachusetts gubernatorial election, 2018