@CNN: Former Republican Sen. Jeff Flake rules out 2020 primary challenge to President Trump https://t.co/Xvn6aUpKm9 https://t.co/NxNRckeqnF

@CNN: Former Republican Sen. Jeff Flake rules out 2020 primary challenge to President Trump https://t.co/Xvn6aUpKm9 https://t.co/NxNRckeqnF