Overview: 2009/01/05 Headlines: Israeli Troops Invade Gaza; Death Toll Tops 530; US Blocks UN Call for Ceasefire in Gaza; Gaza Hospitals Struggle Without Power & Supplies; Israel Assassinates Hamas Official & His Family; International Protests Against Israel Continue; Commerce Pick Richardson Withdraws; Obama Stimulus to Include $300 Billion in Tax Cuts; Franken Takes 225-Vote Lead Over Coleman; Denver School Chief to Become Colorado Senator; Democrats Threaten to Block Burris from Taking Senate Seat; Coal Ash Disaster: Test Show Arsenic at 300x Normal Level in Water; Suicide Bomber Kills 40 in Baghdad; 5,300 Die in Drug-Related Killings in Mexico in 2008; Sri Lankan Military Take Rebel Capital; Cuba Marks 50th Anniversary of Revolution; AirTran Removes Muslim Family from Plane; Texas Activist Admits He Was FBI Informant; Anti-Apartheid Politician Helen Suzman, 91, Dies