In chapter 11 what are they planing to do to enders army. What is Graff worried about about? What is the politicial situation bavk on earth?

Basically Anderson has devised an unprecedented number of battles for Ender and his army. Graff is worried about pushing Ender too far too quickly. He is worried about breaking Ender before they truly get a chance to use him. At home Valentine and Peter's alter egos are making quite a stir. People are beginning to take notice and ask for debates. Valentine is disconcerted that people are listening to Demosthenes's ramblings. She feels this could really spawn political discontent.