House Oversight Committee Chairman James Comer’s (R-Kentucky) investigation of President Joe Biden and his son Hunter Biden was dealt a major blow when his star witness, Alexander Smirnov, was arrested for allegedly lying to the FBI. Comer, Rep. Jim Jordan (R-Ohio) and other far-right House Republicans have accused President Biden of illegally profiting from his son’s business activities in Ukraine, and they have touted Smirnov as the witness who would bring the Bidens down. But Smirnov’s arrest, announced by special counsel David Weiss, is a major blow to not only Smirnov’s credibility, but a…