President Joe Biden has reportedly expressed his “growing frustration” with Attorney General Merrick Garland, RadarOnline.com has learned. The tensions between the two have arisen on a number of issues, including Biden’s retention of classified documents, the prosecution of his son, Hunter Biden, and the investigation into former President Donald Trump. Special Counsel Robert Hur, appointed by Garland, released a detailed report on Thursday, February 8, regarding Biden’s retention of classified documents from his time as a senator and vice president. Hur concluded that the president should not…