Cruz’s money doesn’t come from nowhere. According to a Yahoo Finance analysis in mid-November, 18.6 percent of the money backing Cruz—as in, campaign and super PAC contributions—comes from the financial industry. That was the fourth highest percentage of all presidential candidates, behind Gov. Chris Christie, Jeb Bush, and Sen. Lindsey Graham; in terms of hard dollars ($12.1 million), it was second only to Bush ($35.3 million.) Bush makes no bones about representing the will of the GOP donor class. Cruz does…

One of Trump’s most appealing traits to voters is that he cannot be bought, doesn’t need to raise money, and doesn’t need to curry favor in private with select interest groups. If he needed to court big-dollar donors, you wouldn’t hear him railing on so unreservedly against immigration or free trade or cuts to federal entitlement programs. As David Frum writes in a lengthy Atlantic piece this month, Trump has blown wide open the long-simmering feud between GOP elites, who typically control the party’s presidential nominating process, and GOP working-class voters, who have always fallen in line.

In Cruz, Trump has a foil who fits neatly into his narrative of the enemy career politician subservient to powerful interests. Cruz has done a good job keeping a lid on the lucrative big-dollar fundraising connections that might complicate his narrative as the consummate “outsider.” Expect Trump, a human bullhorn, to change that.