Scripture Commentary Luke 13

Whose vineyard is this that is spoken of in this passage? What does it mean that Jesus made the woman 'straight'? Were these who accused the LORD of working on the Sabbath when He healed the woman, embarrassed or repentant? Why did Christ always head toward Jerusalem? Can anyone enter in any way they choose? Who are those that the Jews considered last but Christ said would be first? Whose houses would be left desolate?