The Great Meteor Grab

That will be ignored as soon as the capability to occupy celestial bodies exists.

In the US, probably not, treaties are the supreme law of the land, as indicated in the constitution.
A signed treaty is tantamount to a constitutional amendment, and authorizes the legislature to enforce the treaty,
but not to "ignore it"

Even laws passed by congress cannot override the text of a treaty,

Because the courts have a policy of interpreting any law passed by congress in a manner so that it complies with the signed treaties,
or declaring the conflicting law null and void.

It would be necessary for the treaty to be officially rescinded first.

you're joking, right? you are aware that the president of USA can override anything and everything he wishes, including making mockery of the constitution, declaring wars which are not wars, re-defining POW status and just carrying out executions without notice.

the outer space treaty is just a feelgood paper.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/6pLEdeIbfHE/the-great-meteor-grab

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