An essay about the nature of the Tea Party would include the fact that you invited this individual because of their records in political history. The individuals will be seated next to each other on the table to ease any probable tension among them.
How the conversation would sound
Given the caliber of people invited to the Tea Party, we would expect light conversations about politics, authority, and the personal convictions of the world leaders.
We can expect that the party will go well if the atmosphere is light and no leader brings up a controversial topic that may annoy the other individuals invited.