Licensers give a fuck. The size of typography is a huge part of licsensing. For example. If you license a musical, in the contract there is a specification for how large the author's names are relative to the title when you are printing a playbill.
Looks like the developers left in the weather widget "Nowhere" programming that Jobs used in his keynote.
Press option+command and then click the picture on the widget.
Also from doing this I found out that if you are in the 1st dashboard mode (without the bottom pane up) you can hold option and hover over a widget and a X shows up to close it.