Other than tax cuts, there’s nothing that unites the GOP factions like a Supreme Court nomination. The Reactionaries and CDs look forward to having a culture warrior on their side; the CLs and PBPs anticipate further deregulation of business.
Trump’s nominee will be announced in his usual “Apprentice” fashion this evening. Whoever it is will undoubtedly be of great help during the campaign, and thereafter, to a GOP that agrees internally on very little else.