Afternoon notes: Brown to finally declare

Attorney General Jerry Brown is expected to formally announce tomorrow that he's running for governor, 28 years after he last had the job. LAT
Update: Brown will make the announcement at 11 a.m. via video on his website.
Weirdly, contrarian Democrat blogger and political theatricalist Mickey Kaus said he has filed to run against Sen. Barbara Boxer. LA Weekly
Jaime Escalante, the legendary Garfield High math teacher portrayed by Edward James Olmos in the movie "Stand and Deliver," has cancer and his family has run out of money to pay his medical bills. Olmos is helping to raise funds. KTLA
Erroll Southers resigned from the airport police department, weeks after pulling his name from consideration for TSA chief in the Obama Administration. He will remain at USC, where he teaches in the School of Policy, Planning and Development.
James Cameron calls "Avatar" the most successful environmental film of all time and he the greenest director of them all. Grist
KSCN, the Cal State Northridge radio station at 88.5 FM, switched at 10 a.m. to Adult Album Alternative (AAA or Triple A) format 24 hours a day. Via release
Heal the Bay's Mark Gold is not happy with today's L.A. Times story about efforts to end the use of seawater to cool power plants. Spouting Off
Search-and-rescue members of California Task Force 2 are heading back out on earthquake duty, this time to Chile. LA Weekly
Journalist Marc Cooper, who has extensive experience with Chile, is blogging up a storm on the earthquake and its aftermath.
LA Observed cartoonist Steve Greenberg blogs about his former editor leaving her job at the Ventura County Star. Cagle.com
KPCC's John Rabe photographs abandoned televisions in his home community of Cypress Park. Blog
Job alert: the city of Lakewood is looking to a public information officer who would take over for D.J. Waldie when he retires this year. Job posting
Bobby Espinosa, a founding member of the East L.A. band El Chicano, died at age 60. LAT, KPCC "Off-Ramp" (story from 2009)