Use "delegitimize" in a sentence

1. Donald Trump, arguably the more prominent of the so-called Birthers, attempted to delegitimize Barack Obama’s presidency by continually arguing that he …

2. A jumble of Contradictions, Scalia promised neutral tools to legitimize the Supreme Court, but his jurisprudence and confrontational style moved the Court to the right, alienated potential allies, and helped to delegitimize the institution he was trying to save.