Missouri Democratic Rep. Lacy Clay Leading Off: • MO-01: Rep. Lacy Clay has never had much of a problem securing renomination in his safely blue St. Louis-area seat, with him easily defeating Russ Carnahan after the two congressmen were drawn into the same district in 2012. But in mid-August, state Sen. Maria Chappelle-Nadal refused to rule out challenging Clay in the Democratic primary. Chappelle-Nadal specifically cited Clay's response to the death of Michael Brown and the ensuring protests in Ferguson as the reason she may take on Clay.