Heading into the crucial summer stretch of his re-election campaign, President Donald Trump is grappling with declining support among key groups that helped deliver his 2016 victory, putting rising pressure on his campaign and the White House to shore up his base. With just over five months to Election Day, a string of polls this month shows an erosion of support among voters whom Republican strategists had expected would be rock solid behind the president at this point, including seniors, non-college-educated white voters and evangelicals. Trump has consistently trailed former Vice President Joe Biden in national polling this year, but his campaign advisers had long downplayed those numbers, pointing to the consistency of his message and arguing that his base was sticking with him. They spent time traveling to states Trump lost and targeting groups he was weakest with, such as black voters, to try to erode support for Biden, the apparent Democratic nominee. read more https://www.nbcnews.com/politics/wh...paign-defense-core-elements-his-base-n1215576
