GREENVILLE, Ill. — A lifer with a pen sat in the 65-square-foot cell he shares. A calendar taunted from a bulletin board. He began to write. Dear President Obama . He acknowledged his criminal past. He expressed remorse. And he pleaded for a second chance, now that he had served 18 years of the worst sentence short of execution: life without parole, for a nonviolent first offense. Mr. President, he wrote, “you are my […]