It's week something-or-other of SIFF, and the hits just keep on coming! So, here are this week's picks. For all SIFF screenings, the general/member ticket prices are $11/$9 (and matinees $8/$7), except for gala screenings and other special events, which cost more. · Alexandra is "a film of startling originality and beauty" (NYT) about a widowed Russian woman who decides to visit her soldier son at the Chechen front. (tonight, 4:30 p.m. @ SIFF......