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 wh…