RICIN IN TEXAS: There usually turns out to be less to these stories than it seems at first report, but stay tuned.

UPDATE: Much more from Gateway Pundit, who’s leaning toward the terrorism explanation.

ANOTHER UPDATE: It’s not completely certain, but this is looking like a false alarm:

Preliminary tests on the powder look for a protein that matches the profile of ricin.

Officials say one test returned positive for that protein, while a second was inconclusive, and a third was negative. The definitive test will come from the federal Centers for Disease Control.

Stay tuned, but I’m guessing this won’t amount to much.