VIDEO: President Muammar Gaddafi still defiant, refuses to step down.
Read more...VIDEO: Libyan UN official calls dictator a "mad man." Fierce clashes in Tripoli as Gaddafi vows that he will defeat protesters; pro-Gaddafi militia reportedly opens fire on people. Obam signs executive order imposing sanctions on Gaddafi family and Libyan government.
Read more...Gaddafi's rise to power mirrors his present downfall.
Read more...VIDEOS: Gaddafi's defiant and threatening speech fails to halt revolt. Defections to revolt increase.
Read more...VIDEO: Revolt spreads to capital on Monday as dictator's son stokes anger. Army units reported defecting.
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