County executives from Harford, Baltimore and Cecil Counties will join Baltimore City Mayor Sheila Dixon today in signing a memorandum of understanding related to regional planning related to the BRAC expansion at Aberdeen Proving Ground. Officials from Delaware and Pennsyvlania are also signing the agreement.

A similar planning arrangement is in place for the area around Fort Meade.

Baltimore County Schools will hold a job fair today from 3-7:30 p.m. at the Fairgrounds in Timonium. They’re looking to fill 800-1000 positions. Starting salary is $40K. Be sure to take copies of your resume.

The Orioles drop to 2 games out of first (for now – 1.5 or 2.5 depending on the Red Sox game later) after losing to Oakland 5-2 in a late afternoon game today. Jeremy Guthrie pitched 5 innings and picked up the loss. His record now is 1-1 and his ERA for the season is 3.00. The Os fall to 11-9 with the league-leading Red Sox coming to town for a 2-game series tomorrow and Thursday.

Probable pitchers for tomorrow are Daniel Cabrera and Curt Schilling while Adam Loewen and Josh Beckett should face each other Thursday. As we reported earlier this afternoon, Scott Williamson has been placed on the 15-day DL and Jim Johnson was brought up from Norfolk to fill the void.

Live Music

Chris Cornell is at a sold-out Rams Head Live in Baltimore tonight while Colin Hay of Men at Work is at Rams Head On Stage in Annapolis for two shows (6:30 and 9:30) tied to his new CD release. John Vanderslice and St. Vincent are at Sonar. Also tonight, 8X10 features another installment of 5 Bands for $5 at 7.

Lectures

Michael Crichton will be speaking about gene patenting and his next book at Shriver Hall at Johns Hopkins University tonight at 7. Frank Warren of PostSecret.com will be speaking at the Conference Center at Charles Commons at JHU tonight about his new book.

Fine Arts

Everyman Theatre’s production of And a Nightingale Sang continues this evening. The final night is April 29. Towson U.’s Center for the Arts features Angels in America: Perestroika (part 2 of the series) tonight. In College Park, the Clarice Smith Center for the Performing Arts production of The Colored Museum continues. Eubie! is on tap tonight at the Olney Theatre Center for the Arts.

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The Orioles have placed relief pitcher Scott Williamson the 15-day disabled list because of tendon tightness in his right triceps. He faced one batter in last night’s game. Jim Johnson has been called up from Norfolk.