• Family, teachers remember Powell boys
• Romney wins Maine caucuses by slim margin
• Gunmen assassinate Syrian army general in Damascus
• Whitney Houston, superstar of records, films, dies
• Questions raised over N.H. boy who shot himself at school
• State senator, wife attacked at western N.Y. casino
• Romney edges Santorum in CPAC straw poll
• No discipline actions planned for North Dakota degree mill
• Cold weather returns to the South; snow possible
• Obama new budget proposal seeks to boost trade enforcement
• Organizer opposes change to King monument
• Obama wants payroll tax cut extension as deadline approaches