Feds Crack Down On Pot Shops  The federal government is cracking
down on medical marijuana dispensaries in California. Four U.S.
attorneys are telling some landlords that their property could
be seized if they don't stop leasing to pot shops.    The
federal government is launching a new effort to crack down on
medical marijuana in California. Here's Andre Birotte, U.S.
attorney for the Central District of California.  ANDRE BIROTTE:
Federal law allows the government to take property and money
that's directly related to illegal drug trafficking. The law is
that simple. It is a tool that the federal government has and
will continue to use.  RAZ: The Justice Department has issued
warnings to more than a dozen medical marijuana dispensaries.
Despite a 1996 state law that allows the sale of medicinal pot,
the dispensaries are still violating federal law. More now from
NPR's Richard Gonzales.  RICHARD GONZALES, BYLINE: In a news
conference in Sacramento, four federal prosecutors announced a
series of civil forfeitu