That Great Britain has the right to build, administer, and be sole owner of a railway connecting Haifa with area (b), and shall have a perpetual right to transport troops along such a line at all times.

BBC: Map detailing the Sykes-Picot agreement

Under the so-called "dormant Commerce Clause" doctrine (dormant because it isn't actually written anywhere) the Supreme Court has interpreted the Commerce Clause in the Constitution, which gives Congress the sole right to regulate interstate commerce, as a mandate to strike down state laws that interfere with same.

FORBES: Wine And Your Phone Bill

The result is that Italy may, over the next few weeks, try to form a temporary government backed by a grand coalition of left and right-wing forces with the sole aim of changing Italy's electoral law and then going to a vote again as early as summer.

WSJ: Italy Vote Shows No Clear Winner, as Berlusconi Rises