At this moment..... the Impeachment and conviction of Barak Obama. I don't know if the country can survive another 2.5 years of his Presidency.
If a republican had done the things Obama has, they would have already been impeached.
Opposites right now. Ying & Yang, positive & negative, black & white, good & evil, night & day, and how one can't exist without the other because one defines the other.
I usually go for Grand Army to increase land forcelimits, then Quest for the New World to lock down lots of trade provinces