WASHINGTON (AP) — Rep. Liz Cheney of Wyoming had already broken with the president on everything from mask-wearing during the coronavirus pandemic to pulling back American troops in Afghanistan.

Now she’s emerged as the most prominent Republican to vote for President Donald Trump’s impeachment — the only member of her party’s leadership to do so.

The vote could be a defining moment in Cheney’s political career.

It gave some cover to the nine other House Republicans willing to follow her lead, while also carrying the historical weight of coming from the daughter of Vice President Dick Cheney, a conservative force in Washington for decades.

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11 Things You'll Find In A 'Typical' Wyoming Home

KEEP READING: 11 Things You'll Find in a Typical Wyoming Home