Two man talk to each other and appear to be laughing as they face each other. Generate Key Takeaways Nashville businessman Darden Copeland, right, and Rep. Aftyn Behn, not pictured, slammed Rep. Bo Mitchell, left, during the Democratic primary in Congressional District 7 for Mitchell's acceptance of donations from a payday lender. (Photo: John Partipilo/Tennessee Lookout) A month before the Oct. 7 U.S. House primary, Nashville Democratic state Rep.