Possible Clues:

• Law-making body of USA
• Politicians study way to make exit after leader's deposed
• Gathering caught monster around end of 'Frankenstein'
• Body with a divided House ... and what's spelled out by the letters dividing this puzzle's houses
• Meeting about one acquiring Greek steamship
• Censors wrong about good assembly
• Capitol assembly
• Meeting elected US politicians
• Censors mad about good assembly
• It's based in D.C