HRODNA, Belarus — The wife of a Polish-Belarusian journalist charged with insulting President Alyaksandr Lukashenka says she has refused to answer prosecutors’ questions about her husband’s case, RFE/RL’s Belarus Service reports.Andrzej Poczobut, a correspondent for the Polish daily “Gazeta Wyborcza” in western Belarus, was charged last month with insulting the personal dignity and honor of the president in newspaper articles and online comments.His wife, Aksana, told journalists that an investigator from the Hrodna city prosecutor’s office, Arseni Nikolski, summoned her to his office on April 6 for questioning about her husband’s case.Aksana Poczobut said she refused to answer any questions, claiming she had a right not to testify against her relatives.If found guilty, Poczobut, who is a…