Briscoe Cain stumbled through questions about “purity of the ballot box” language in Texas’ voting bill, acknowledging he was unaware that it evoked Jim Crow policies of the past. He is the bill’s sponsor.,Briscoe Cain stumbled through questions about “purity of the ballot box” language in Texas’ voting bill, acknowledging he was unaware that it evoked Jim Crow policies of the past. He is the bill’s sponsor.