1.   A public employee union in Michigan sued to block the state from contracting out job training for welfare recipients.

2.   Anheuser-Busch and Penn Advertising of Baltimore Inc., a company that rents billboard space, sued to block the rules.

3.   And when the New England Aquarium sought to transfer two dolphins to the Navy, Wise sued to block their possible use in military exercises.

4.   Anheuser-Busch and Penn Advertising of Baltimore Inc., a company that rents out billboards, sued to block the rules.

5.   At one point, ranchers threatened to sue to block the release.

6.   Attorneys general of several states, including New York, also said they would sue to block the merger, citing its potential anticompetitive effects.

7.   Advocates have sued to block the new rules.

8.   After the FTC said it would sue to block the merger, Rite Aid dropped its bid.

9.   But last month the Justice Department sued to block WorldCom-Sprint.