Article snippet: MANCHESTER, N.H. — Mark Sanford, a primary challenger to President Donald Trump, has said he won’t solicit contributions from his longtime donor base until he’s ‘‘proven a measure of electoral success.’’ Bill Kristol has yet to fully activate a super PAC aimed at hurting Trump’s reelection chances. And Stuart Stevens, the top strategist for Sen. Mitt Romney’s 2012 presidential campaign, until he was prompted, could not recall the name of the super PAC he is advising that supports another Trump challenger, Bill Weld. So far, not even the start of an impeachment inquiry against the president has energized the campaigns of those candidates, or aligned groups, seeking to deny Trump the Republican presidential nomination. Still, outside spending by disenchanted ‘‘Never Trump”-type Republicans could diminish Trump’s 2020 odds by wounding his candidacy even if stopping well short of denying him the nomination. ‘‘For now, the idea that somehow some whale, some seven-figure guy or some seven-figure bundler, is going to break from the pack to go support one of these guys is just, I don’t think realistic,’’ said Reed Galen, a former Republican turned independent who worked in the past for George W. Bush and John McCain. Weld, the former Massachusetts governor and the first Republican to announce a primary challenge to Trump, has struggled to mount a serious fundraising effort, according to the most recent Federal Election Commission filings. That’s also been true for the p... Link to the full article to read more