Fulfilling his oath of office to uphold the law by investigating corruption including corruption by Democrats who impacted the 2016 election and who were getting kick backs from US Foreign Aid.
Firing a corrupt Director of the FBI, who violated rules and established policies, played political favoritism, failed to prosecute obvious crimes in the Hillary email investigation, initiated an attempted coup, and who was referred multiple times by the IG for possible criminal prosecution.
Protected the separation of powers by refusing to cooperate with a partisan inquiry that did not provide the Executive branch with due process, that was being led by Schiff who openly lied to the entire country about what Trump said on the phone call, and who conducted interviews in secret and only leaked out of context sound bites while preventing Republicans from sharing the full context.