Edited sentence: He has been embroiled in a series of high-profile controversies and scandals, with criticism being directed at his handling of these issues.These include: his handling and direct involvement in the SNC-Lavalin Affair, his government's lenient treatment of Omar Khadr, inaction and an apparent indifference regarding the mercury poisoning of First Nation communities in Ontario, and exorbitant spending on vacations and other luxuries using taxpayer money among other issues