Other articles I found today:

Adding Shame to Grief

Afghans in D.C. Area Grieve Over Attack, Fear for Homeland

For Many, Sorrow Turns to Anger and Talk of Vengeance

In U.S., Echoes of Rift Of Muslims and Jews

Listeners Sound Off, Grieve Over Airwaves

Arab-Americans Threatened, Attacked

Calm Urged as Muslims Face Threats

Arabs and Muslims Steer Through an Unsettling Scrutiny

Backlash: Hate thrown at Arab Americans - Death threats, obscenities, attacks, suspected arson

Muslims across nation targets of attack - Vandalism, threats made in Bay Area

American Muslims fear retribution - Contra Costa family 'keeps a low profile'

Tolerance put to test in Bay Area - Muslims, mosques, Arabs find themselves targets of threats