Free Will: What it is & Who has it

A biblical explanation of free will. Specifically answered is: What is free will? Who has free will? What causes a person to have or not have free will? What influences does God have upon free will? Scripture referenced: Genesis 2:15-17, Genesis 3:1-20, Genesis 4:1-10, Luke 18:18-30, John 3:1-10, John 6:44-45, 63, 65, John 8:31-36, John 11:1-44, Acts 7:54-8:3, Acts 9:1-22, Romans 5:1-10, Romans 6:17-18, Romans 7:7-24, Romans 8:1-9, Romans 8:28-30, Romans 9:6-21, 2 Corinthians 5:14-16, 17-21, Ephesians 2:1-5, Philippians 2:12-13, Titus 2:11-14, Titus 3:3-7, 2 Peter 3:1-9, 1 John 5:19