Today's Headlines -- Tuesday

• Female employee previously warned about IMF head (AP)
• Costly Miss. River closure meant to protect levees (AP)
• Senate takes up bill repealing $2B oil tax breaks (AP)
• Shriver: It's a 'painful and heartbreaking time' (AP)
• Pakistan protests after clash with NATO helicopter (AP)
• Homebuilders missing out on economic recovery (AP)
• Analysis: GOP race more about who's out than in (AP)
• Ryan bows out of Senate race, Thompson mulls entry (AP)
• Could the Internet spell the end of snow days? (AP)
• Hall of Famer Harmon Killebrew, 74, dies of cancer (AP)
• Economic data suggests soft patch continues (Reuters)
• Jailed Strauss-Kahn faces pressure to quit IMF (Reuters)
• Pakistan military protests after NATO incursion wounds soldiers (Reuters)
• Wal-Mart tops view; key sales down 1.1 percent (Reuters)
• Probes into banks' mortgage lending grow (Reuters)
• Libya's top oil official defects: Tunisian source (Reuters)
• HP slashes outlook, spends on services overhaul (Reuters)
• Britain's Queen honors Irish nationalists (Reuters)
• Queen remembers victims during historic Ireland visit (AFP)
• Strauss-Kahn awaits grand jury from prison island (AFP)