Question: Dick Wadhams worked for What United States Senator from Montana who was only the second republican to represent Montana in the Senate since the passage of the 17th amendment in 1913?

Context paragraphs:
List of United States Senators from Indiana: Indiana was admitted to the Union on December 11, 1816.  Since then, Indiana has been represented in the United States Senate by 44 different men in Class 1 and Class 3; David Turpie served non-consecutive terms in Class 1, Dan Coats served non-consecutive terms in Class 3, and William Ezra Jenner served in both classes.  Until the passage of the 17th amendment in 1913, senators were elected by the Indiana General Assembly; after that they were elected popularly by Indiana citizens.  A senatorial term lasts six years beginning on January 3.  In case of a vacancy the Governor of Indiana has the duty to appoint a new senator.  The longest-serving of any Senator from Indiana is Republican Richard Lugar.  The current senators of Indiana are Joe Donnelly and Todd Young.

United States Senate elections, 1908 and 1909: The United States Senate elections of 1908 and 1909, some states elected their Senators directly even before passage of the 17th Amendment in 1913.  Oregon pioneered direct election and experimented with different measures over several years until it succeeded in 1907.  Soon after, Nebraska followed suit and laid the foundation for other states to adopt measures reflecting the people's will.  By 1912, as many as 29 states elected senators either as nominees of their party's primary or in conjunction with a general election.  The Republicans lost two seats overall.

Mitch McConnell: Addison Mitchell McConnell Jr. (born February 20, 1942) is an American politician and the senior United States Senator from Kentucky.  A member of the Republican Party, he has been the Majority Leader of the Senate since January 3, 2015.  He is the 15th Republican and the second Kentuckian to lead his party in the Senate.  McConnell is the longest-serving U.S. Senator in Kentucky history.

United States Senate election in Montana, 1928: The 1928 United States Senate election in Montana took place on November 6, 1928.  Incumbent United States Senator Burton K. Wheeler, who was first elected to the Senate in 1922, ran for re-election.  After successfully defeating several challengers in the Democratic primary, Wheeler advanced to the general election, where he faced Republican nominee Joseph M. Dixon, the former Governor of Montana who had previously served in the United States Senate from 1907 to 1913.  Though the election was closer than Wheeler's first election, he still managed to defeat Dixon to win his second term in the Senate.

Susan Collins: Susan Margaret Collins (born December 7, 1952) is an American politician who currently serves as the senior United States Senator from Maine.  A member of the Republican Party, Collins has served in the Senate since 1997, and has served as the Chairwoman of the Senate Special Committee on Aging since 2015 and previously chaired the Senate Committee on Homeland Security from 2003 to 2007.  She is considered a moderate Republican Senator.  She also is known for her long consecutive voting streak, which reached 6,000 votes in September 2015.  She is the current dean of Maine's congressional delegation.

Conrad Burns: Conrad Ray Burns (January 25, 1935 – April 28, 2016) was a United States Senator from Montana and later a lobbyist.  He was only the second Republican to represent Montana in the Senate since the passage in 1913 of the Seventeenth Amendment to the United States Constitution and was the longest-serving Republican senator in Montana history.

United States Senate election in Virginia, 1922: The 1922 United States Senate election in Virginia was held on November 7, 1922.  Incumbent Senator Claude A. Swanson was re-elected to a third term after defeating Republican J. W. McGavock.  Swanson and fellow Senator Carter Glass were the first U.S. Senators to be elected by popular vote (Swanson ran unopposed in 1916) following the passage of the 17th Amendment.

Dick Wadhams: Dick Wadhams (born 1955) is a Republican political consultant, known for his role in guiding John Thune to an upset victory over then United States Senate Minority Leader Tom Daschle.  He has additionally worked for former Virginia senator George Allen, former Colorado Senator Wayne Allard, former Colorado governor Bill Owens and former Montana senator Conrad Burns.

United States Senate elections, 1910 and 1911: The United States Senate elections of 1910 and 1911, some states elected their Senators directly even before passage of the 17th Amendment in 1913.  Oregon pioneered direct election and experimented with different measures over several years until it succeeded in 1907.  Soon after, Nebraska followed suit and laid the foundation for other states to adopt measures reflecting the people's will.  By 1912, as many as 29 states elected senators either as nominees of their party's primary or in conjunction with a general election.

United States Senate election in Alabama, 1996: The 1996 United States Senate election in Alabama was held on November 5, 1996.  Incumbent Democratic U.S. Senator Howell Heflin decided to retire.  Republican Jeff Sessions won the open seat, becoming just the second Republican U.S. Senator elected to represent Alabama since Reconstruction (Richard Shelby became a Republican in 1994, but he was elected as a Democrat).

Supporting paragraphs: Dick Wadhams Conrad Burns
Answer: Conrad Ray Burns