Ever wonder why doctors are the people signing slips of paper for your drugs and not the pharmacists? Maybe Richard Herrier of the UA College of Pharmacy can give some insight in his Public Health Grand Rounds lecture. The discussion, "Pharmacist Prescribing," begins at noon in the Arizona Health Sciences Center, Room 5403, and runs until 1 p.m. For more information, contact Kiki Riley at 626-3200, ext. 106.

Stop by the Douglass building, Room 102, for the Center for Latin American Studies Brown Bag Series entry for the week. Today, professors Raquel Rubio-Goldsmith and Kevin Gosner join teacher and community activist Naomi Mudge in a "Panel on Chiapas Historical and Current Perspectives." The lecture begins at 12:15 p.m. and ends at about 1:15 p.m. For more information, contact Robin Zenger at 626-7242.

Have your say about how the Arizona Board of Regents should set next year's tuition. The regents are holding a statewide teleconference from 5 p.m. to 7 p.m. where students can voice their opinions on the issue. Go to Room 211 of the Harvill building or Room 127 of the Douglass building to participate in this interactive event. The teleconference can also be viewed at Cox Cable Channel 76, People's Choice Cable Channel 46 or UA Dorm TV Channel 76. Regents will set tuition at their April 25-26 meeting at Northern Arizona University.

The Black History Film Series continues its spring lineup with a movie featuring a superstar cast: "Losing Isaiah." Halle Berry, Jessica Lange and Samuel L. Jackson star in the movie that takes a look at interracial adoption and socio-economic conditions in terms of race. The movie runs from 5 p.m. to 7:30 p.m. in the Pima Residence Hall conference room. For more information, contact Ruby Shelton at 621-5664 or send e-mail to sheltonr@u.arizona.edu.

UApresents is busy this evening. Three events promoted by the group will hit the stage. First, at 6:45 p.m., join Monte Ralstin of the UA School of Music and Dance as he discusses the production and background of "Phantom of the Opera" in the Social Sciences building, Room 100. Then, at 7:30 p.m., catch the Broadway phenomenon in action at Centennial Hall. "Phantom" tickets cost $65, $55, $42 or $22.50, depending on seating. If "Phantom" isn't your gig, head over to Nations Hall, 516 N. Fifth St., and catch "Charlie Victor Romeo," a play derived entirely from fighter-plane, black box recorders. Tickets are general admission and cost $25. For more information, call the Centennial Hall Box Office 621-3341 or visit the Web site at http://uapresents.arizona.edu/0102performance.html.