Former President Donald Trump is continuing to boast the highest favorability rating among Republican primary candidates, gaining in this area as rival Florida Gov. Ron DeSantis slips, according to the latest Morning Consult weekly survey.This week’s survey showed 78 percent of potential Republican primary voters viewing Trump favorably. That reflects a five-point jump in the last seven days. This survey was taken after Trump announced that he was the target of the January 6 investigation and must appear before the grand jury.Those who view Trump unfavorably also dropped this week, moving from 25 percent last week to 20 percent this...