Original sentence: It also stated that the vision for the museum should:  "Cover darker historical episodes, and with a gravity that opens the possibility of collective self-accounting.The investigating panel stated that many of the historical narratives contained within the Museum exhibits were incoherent, confusing and unbalanced.The role here is in helping the nation to examine fully its own past, and the dynamic of its history—with truthfulness, sobriety and balance.This extends into covering present-day controversial issues
Edited sentence: Hiwever, it also stated that the vision for the museum should: "Cover darker historical episodes, and with a gravity that opens the possibility of collective.The investigating panel found that many of the historical narratives contained within the Museum exhibits were incoherent, confusing and unbalanced.The role here is in helping the nation to examine fully its own past, and the.This extends into covering.dynamic of its history—with truthfulness, sobriety and balance.present-day controversial issues