Top Stories: Isaac Heads For Louisiana; Taliban Kill 17

Good morning - so far today, we're following these stories:

-- Tropical Storm Isaac Strengthens At It Heads Toward Louisiana

-- Taliban Blamed For Killing 17 Partygoers

And here are more early stories:

-- Crist to speak at Democratic National Convention (The Miami Herald)

-- John Walker Lindh Sues For Prison Prayer Group

-- Major quake hits off El Salvador, no damage reported (Reuters)

-- Rebels down Syrian army helicopter in Damascas (The Jerusalem Post)

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