U.S.Ambassador Susan Rice, one of the sponsors of the resolution, said this fourth round of sanctions was warranted because Iran has not suspended its uranium enrichment activities but rather has increased its defiant behavior in recent months.
VOA: standard.2010.06.09
No, UBS is not stronger because of its previous bad behavior but its fall from grace is much softer since it was already closer to the bottom than Barclays which was viewed more reputable.
Today, the only recognized limitations are that (1) Congress may not regulate non-economic behavior based solely on an attenuated link to interstate commerce, and (2) Congress may not regulate intrastate economic behavior if its aggregate impact on interstate commerce is negligible.
That's not to say every bot was on its best behavior: The University of Central Florida's robot confused a driveway for a road, parking itself at an abandoned house.