By Tamas Csonka in Budapest Hungary’s emerging opposition figure Peter Magyar has accused the inner circle of Prime Minister Viktor Orban of tampering with evidence in an ongoing high-profile corruption case. Magyar promised to present audio recordings to back up his allegations as early as next week following his first hearing as a witness at the prosecution office on March 20 in the case involving former Justice Ministry deputy Pal Volner and Gyorgy Schadl, the former head of the bailiffs’ association. Magyar was questioned for almost four hours at the Metropolitan Prosecutor’s Office on Wed…