Article snippet: Vice President Mike Pence will head to Pennsylvania’s 18th district next month to campaign for Republican candidate Rick Saccone in a special election that's ignited new GOP anxieties that it might lose another race ahead of the 2018 midterms. Pence’s visit on Feb. 2, confirmed by Saccone’s campaign to ABC News, will be the first official White House involvement in the race. President Trump visited the district just last week but the White House insisted the trip was solely to tout the economy and recently-passed tax reform bill. During his visit Trump praised Saccone as a “great guy” and promised to return to the district before the March 13 special election between Saccone, a state senator and former military intelligence officer, and Democrat Conor Lamb, a Marine Corps veteran and former federal prosecutor. As the race continues to cause greater GOP concern, elites and mega-donors in the national party have started ramping up outside spending in the race. A nonprofit group called Ending Spending -- founded by Joe Ricketts - kicked off the flow of Republican money into the race earlier this month, rolling out ads costing $513,386 to support Saccone and attack Lamb. Established as a 501(c)(4) organization, Ending Spending is not required to disclose its donors. And a pro-Trump nonprofit named 45Committee – also a 501(c)(4) – just last week spent $518,640 on an ad campaign to benefit Saccone. Founded by megadonors presidential election. ... Link to the full article to read more