Lexington Mayor Jim Gray, center, filed papers to run for the U.S. Senate in the secretary of state office at the State Capitol in Frankfort, Ky., on Tuesday, Jan. 26, 2016. Gray, a Democrat, is challenging Republican U.S. Sen. Rand Paul.
Lexington Mayor Jim Gray, center, filed papers to run for the U.S. Senate in the secretary of state office at the State Capitol in Frankfort, Ky., on Tuesday, Jan. 26, 2016. Gray, a Democrat, is challenging Republican U.S. Sen. Rand Paul. Charles Bertram Lexington Herald-Leader
Lexington Mayor Jim Gray, center, filed papers to run for the U.S. Senate in the secretary of state office at the State Capitol in Frankfort, Ky., on Tuesday, Jan. 26, 2016. Gray, a Democrat, is challenging Republican U.S. Sen. Rand Paul. Charles Bertram Lexington Herald-Leader

Kentucky US Senate race ‘an uphill battle’ for Democrat Jim Gray

February 17, 2016 04:03 PM