This is the ninth in a series of race rundowns designed to give subscribers a quick snapshot of what's happening in each district in 2018. Throughout the cycle, watch for our detailed analysis of the most closely-fought races in our competitive race overviews. And, be sure to bookmark our ratings to keep track of the latest changes.

Rhode Island

RI-01: David Cicilline (D) - North and east: Providence, Pawtucket, Newport Solid Democratic. Cicilline had a few close general elections earlier in the decade after negative headlines emerged about Providence's finances following his tenure as mayor. But Cicilline has solidified his political standing in this heavily Democratic seat over the past few cycles. In 2016, he took 65 percent of the vote.

RI-02: Jim Langevin (D) - South and west: Warwick, Cranston Solid Democratic. President Trump came within seven points of winning this suburban, heavily Catholic district in 2016. But Langevin remains hugely popular here; he simultaneously won reelection by 27 points.

South Carolina

SC-01: Mark Sanford (R) - Southeast: Charleston, Hilton Head Likely Republican. Sanford's political career, once left

More from the Cook Political Report