(NOTE: Please see below for update and mugshot of the mother.)This disturbing video was taken last night by Phoenix civil rights activist Sal Reza during Sheriff Joe Arpaio's latest anti-immigrant sweep in the West Valley, which is ongoing as I type. Reza witnessed two MCSO deputies, at least one of them masked, pull over a car driven by a young Hispanic woman, her two children in tow. (The guy ordering him not to film is a posse member.) The woman, one Ciria Lopez, 25, had forgotten to turn on