On the Democratic side, a potentially historic clash lies ahead. For the GOP, Michigan is the next test.
In 2008, expect developing nations to play a more active role in negotiations for the post-Kyoto Protocol period.
Results in the Granite State mean frontrunners in both parties will continue to duke it out for the nomination.
Complex technology and staunch patent enforcement help keep ink prices high. Still, some low-cost alternatives can be found.
The Democratic contest is more likely to be decisive.
Caucus results shake up the race for the White House in both parties.