President Joe Biden should withdraw David Chipman’s nomination to head the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), Senate Republican Leader Mitch McConnell (R-Ky.) said Saturday. McConnell raised a series of developments regarding Chipman, including sources described as current and former ATF agents claiming Chipman made racially discriminatory remarks while working for the agency in the past. McConnell also noted that Chipman failed to disclose to the Senate Judiciary Committee a 2012 appearance on a China-run television network. At the time, Chipman was a special agent at the ATF. “This wasn’t just any TV appearance. Mr. Chipman had granted an interview to a propaganda network overseen by the Chinese government,” McConnell said on the Senate floor in Washington. “The Senate has spent quite enough time flirting with this profoundly misguided nomination. The American people deserve a trustworthy steward leading the ATF with a record of respecting their rights and respecting …