The government won a vote on the first reading of the civil-service bill in June, but only by one vote, and that after holding back a clause that would have let state governors and mayors sack surplus workers.
Mr. Obama's imperial overreach has invited the courts to re-examine the Constitution's Appointments Clause and tilt the balance of power back toward the Senate.
Watch out for a major skirmish over the programme motion for the Report Stage (see previous post) in which the Conservative Edward Leigh and an impressive array of cross-party allies seek to ensure their new clause on "insulting behaviour" is not kicked to the back of the queue of amendments and never debated.
Ever since a monumental battle in the 1930s, in which Roosevelt's New Dealers forced the Supreme Court to back down on the issue, Congress has used an expansive reading of the commerce clause to legislate in a vast range of new areas.
The price of YPF bonds briefly rose with the announcement of the oil firm's nationalisation in April by Argentina's government, because of a clause demanding advanced payment in the case of an expropriation, before falling back as investors worried Argentina wouldn't much care.
Barcelona's attacking Brazilian right-back Dani Alves has signed his new contract with the Catalan club, which contains a 150m euros buy-out clause and keeps him at the Nou Camp until 2015.