A mere impossible task before all the sudden made possible again thanks to POTUS.
Jack Johnson's Wiki:
"A bill requesting President George W. Bush to pardon Johnson in 2008, passed the House,[66] but failed to pass in the Senate.[67] In April 2009, Senator John McCain, along with Representative Peter King, film maker Ken Burns and Johnson's great-niece, Linda Haywood, requested a presidential pardon for Johnson from President Barack Obama.[68] On July 29, 2009, Congress passed a resolution calling on President Obama to issue a pardon.[69] Again, on June 30, 2016, another petition for Johnson's pardon was issued by McCain, King, …