Fish and Wildlife Service employees in Arlington will get inspiration from the un-dead in a new fitness program starting Wednesday. (Astrid Riecken/FOR THE WASHINGTON POST)

Hospitals could face rate freeze in Maryland. Hospitals warn they might have to lay off workers if the proposal is approved by a state board.

Metro police extra vigilant this week. Anti- terror teams and patrol officers are operating with a “heightened state of vigilance” this week, in connection with the anniversary of the killing of Osama Bin Laden.

Supermoon Saturday: Get ready for the moon’s biggest, brightest appearance of the year.

Coming up on PostLocal:

— The Capitals play in D.C. tonight in Game 3 of the Eastern Conference semifinal series against the Rangers.

Newt Gingrich is expected to appear in Arlington this afternoon to officially drop out of the presidential race.

— Trials in Roger Clemens’s perjury case and the Capitol Street shootings continue.

View Photo Gallery: Josita Allen is entering her fifth decade as a teacher in Prince George’s County. She’s not the longest-serving educator in the county or region, but the elementary school teacher represents a generation of teachers who have helped shape public education and continue to have a strong impact. “She brings a wealth of knowledge,” said Tracie Prevost, the principal at Scotchtown Hills.