1. The government might not share or report any information about a rally because they don't want to reveal their own wrongdoing or encourage rebellion. They might want to hide any unlawful behavior to maintain their power and control over the population.
2. Yes, Luke does wish he had gone to the rally. Evidence from the text: "Luke wondered what was happening. He wished he had gone to the rally, even though it was too late now."
3. According to the text, Luke decides to break into Jen's house because he needs to know what happened at the rally: "He climbed the steps to Jen's front porch. He didn't know what he was going to do. Maybe nothing. Maybe he'd just listen at the door. See if he could hear anything about the rally."
4. It is not clear what has happened to Jen, but there are some clues in the text that suggest she may have been arrested or harmed by the government. Evidence from the text: "The kitchen was a mess... There were papers everywhere...the door to the closet on the far wall...was half open, clothes spilling out...he saw a square of white on the wall, where something had been yanked down violently...he felt like he was intruding on something private, something he shouldn't see." All of these details suggest that something bad may have happened to Jen, and that the government may have been involved.