Who is Saif al-Islam Gadhafi?

By the CNN Wire StaffApril 2, 2011 (CNN) -- Once thought to be a leading reformer inside the Libyan government, Saif al-Islam Gadhafi has emerged as one of his father's most visible defenders.A deal may be in the works to have Saif al-Islam Gadhafi replace his father as leader of Libya's regimeSaif, 38, has never lived a day in which his father Moammar didn't rule Libya -- as its undisputed