Despite that, Sanford said he doesn't regret not trying to further cozy up to the White House - and warned his fellow lawmakers of swearing blind fealty to the president.
"Mark Sanford and the career politicians cheated on us", Arrington says in the ad. Trump tweeted his support for Arrington and took a shot at Sanford on primary day, saying the former SC governor was better off in Argentina.
Arrington narrowly locked Sanford out of a runoff by getting slightly more than 50% of the primary vote.
While Trump Jr. was trying to downplay the significance of Corker's remarks about how the GOP is in "a unusual place" because "it is becoming a cultish thing... as it relates to a president that happens to be of purportedly the same party", Rep. Mark Sanford (R-SC) was on MSNBC sounding the alarm about the state of his party.
The intraparty strains came on a day when other cracks emerged in the GOP establishment, all of them reflecting Trump's dominance.
During his concession speech, Sanford said disagreeing with the president on some issues may have cost him the election, but said he stands by every one of those decisions as a promise to his constituents.
Sanford made enemies as governor in 2009, when he disappeared to Argentina during an extramarital affair.
In the presidential primaries, Arrington favored Romney, but she couldn't have made her current support for Trump more clear, tweeting, for instance, "We are the party of president Trump". State Rep. Jacky Rosen, meanwhile, won the Democratic Senate primary easily (77.1%).
McMaster, an early supporter of the president's 2016 campaign, had Trump's full endorsement, marked by a weekend tweet. But it remains unclear, he said, what impact Trump may have had in the race.
SHAPIRO: And last night was also a good primary night for another Trump booster who some Republican leaders really don't seem very happy about in Virginia.
Trump also tweeted his endorsement of Adam Laxalt, Nevada's attorney general, just after noon Pacific time.
"She's a woman, so it's the year of the woman", Hostin explained.
With 65 percent reporting, first-term state Rep. Katie Arrington is on the verge of unseating a S.C. political fixture for the past 25 years.
Democrats in two other districts they hope to retake nominated women: Abigail Spanberger in central Virginia and Elaine Luria in the district that includes Virginia Beach. He's one of the most principled, consistent, and conservative members of Congress I've ever known.
The Democratic victor was Susie Lee, a philanthropist who previously lost a primary in the nearby 4th Congressional District and had locked up most party support.
ME voters are deciding how they'd prefer to veer in their search for the successor to term-limited, conservative Republican Gov. Paul LePage.
In Maine, voters for the first time picked party nominees in a "ranked choice" system that let them assign preferences to several candidates.
The system insured that counting was slow and winners hard to call. The Independent-turned-Republican businessman Shawn Moody came out on top in the GOP primary. He maintained a wide lead through the night, but risked not winning the race outright under the new rules.
During his congressional tenure, Sanford promoted port and freight infrastructure projects in his state and across the region. Last-place candidates will be eliminated and votes reallocated until there is a victor, a process that may take more than a week.
In North Dakota and Nevada, voters set the stage for two of the most competitive US Senate races in November, when Democrats must pick up two seats to capture a Senate majority. What they don't have is competitive Senate primaries.
The president's broadside marked the first time he targeted a congressional Republican incumbent in the midterms. Comstock's opponent is state Sen.
Stewart, a member of the Prince William County Board of Supervisors, defeated state House member Nick Freitas and minister E.W. Jackson in Tuesday's primary. In no case were voters unable to successfully cast a ballot, the Nevada Secretary of State's office said. Heidi Heitkamp. She is seeking re-election in a state Trump carried by 36 percentage points in 2016.
Here at the Primaries Project we are studying everyone who runs in a Democratic of Republican House party primary.
This was Sanford's second stint serving as representative of South Carolina's 1st District.