How Has The Ukraine Scandal Affected Trump’s Approval Rating?

Shortly after news broke that President Trump pressed Ukrainian President Volodymyr Zelensky to investigate a political rival, support for his impeachment increased sharply, according to our impeachment polling tracker. But the ramifications of the Ukraine scandal (and the resulting impeachment inquiry) for Trump’s reelection prospects are murkier.

If the effect of the Ukraine scandal is that people who already disliked Trump simply dislike him more, Trump’s reelection chances may not be hurt that much. As you can see in recent polls, much of the increased support for impeachment so far...