NEW YORK – As a student at Harvard Law School, then-bachelor Barack Obama’s practice of wearing a gold band on his wedding-ring finger puzzled his colleagues. Now, newly published photographs of Obama from the 1980s show that the ring Obama wore on his wedding-ring finger as an unmarried student is the same ring Michelle Robinson put on his finger at the couple’s wedding ceremony in 1992. Moreover, according to Arabic-language and Islamic experts, the ring Obama has been wearing for more than 30 years is adorned with the first part of the Islamic declaration of faith, the Shahada: “There is...