Armed with fresh FEC data from the second quarter of 2018, we have updated our table listing seven "risk factors" to gauge Republican incumbents' political health and readiness for a wave election. In the past, those incumbents with a high number of risk factors have typically been the ripest targets, while those with fewer risk factors could still be vulnerable but may be better able to withstand a hostile political environment.

The seven risk factors are:

  1. Sits in a district with a Cook PVI score of R+5 or less Republican.
  2. Sits in a district that Hillary Clinton carried in 2016.
  3. Received 55 percent of the vote or less in the 2016 election (or a 2017 special election).
  4. Voted in favor of the American Health Care Act in the May 4 roll call vote.
  5. Voted in favor of the Tax Cuts and Jobs Act in the December 19 roll call vote.
  6. Raised less money than at least one Democratic opponent in the second quarter of 2018.
  7. Has a Democratic opponent with at least $500,000 in cash on hand as of

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