Hunter Biden, the son of President Joe Biden, confirmed that he is “cooperating completely” with federal investigators who are probing his tax affairs. In an interview with CBS News set to air on Sunday, the younger Biden was asked about the investigation into his finances. “I can say this: I am cooperating completely, and I’m absolutely certain—I’m 100 percent certain—that at the end of the investigation, that I will be cleared of any wrongdoing,” Hunter Biden said. “All I can do is cooperate and trust in the process,” he added. Last December, it was revealed the federal prosecutors in Delaware were investigating the younger Biden’s finances. “I learned yesterday for the first time that the U.S. Attorney’s Office in Delaware advised my legal counsel, also yesterday, that they are investigating my tax affairs,” Biden said in a statement at the time. “I take this matter very seriously, but I am confident …