Tonight on The Last Word: Donald Trump pivots to lies and attacks after calling for unity in his RNC speech. Also, the Biden campaign focuses on trying to flip North Carolina. Plus, Jack Smith appeals Judge Cannon’s dismissal of the Trump classified documents case. And Trump continues to call American cities “horrible.” Stuart Stevens, Jennifer Rubin, Anderson Clayton, Andrew Weissmann, Joyce Vance, and Mayor Cavalier Johnson join Jonathan Capehart.