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FILE - This undated file shows boxer Jack Johnson, who was born in Galveston, Texas. Johnson became the first African American to win the world champion heavyweight boxing title. He had approximately 113 bouts, only six losses and was inducted into the Boxing Hall of Fame in 1954. Lawmakers are going another round in their fight to get a posthumous presidential pardon for Johnson, who was imprisoned nearly a century ago because of his romantic ties with a white woman. (AP Photo/File)

FILE - This undated file shows boxer Jack Johnson, who was born in Galveston, Texas. Johnson became the first African American to win the world champion heavyweight boxing title. He had approximately 113 bouts, only six losses and was inducted into the Boxing Hall of Fame in 1954. Lawmakers are going another round in their fight to get a posthumous presidential pardon for Johnson, who was imprisoned nearly a century ago because of his romantic ties with a white woman.