Keep Calm and Call on Jesus---- Lord Jesus, come occupy our hearts, come occupy our nation. We need you. I plead for Your intervention. Holy Spirit, bring conviction where needed. May we ALL surrender and yield to Your voice.
Make sure that God is the one who shut the door. If God really did shut the door then stop banging on it. Otherwise, Matt 7 "Ask and it will be given to you; seek and you will find; knock and the door will be opened to you.
Never thought of this, but it makes sense: why not ask for the grace to accept God's mercy and abundant love for us? If we can pray "Lord, I believe; help my unbelief," then we can pray for this sort of thing, too.