ABC NEWS/WASHINGTON POST POLL: Clinton vs. Trump EMBARGOED FOR RELEASE AFTER 12:01 a.m. Sunday, May 22, 2016

A Post-Primary Rally Boosts Trump, Albeit with Challenges Aplenty

A new ABC News/Washington Post poll shows a close contest in presidential election

preferences, with Republicans lining up behind Donald Trump as their party’s presumptive nominee while the continued Democratic race is keeping Hillary Clinton’s side more unsettled.

Greater voter registration among Republicans is one factor: Clinton

’s

6-point lead among all adults, 48-42 percent in a general election matchup, switches to essentially a dead heat among registered voters, 46 percent for Trump, 44 pe rcent for Clinton. Regardless, the contest has tightened considerably since March, when Clinton led among registered voters by 9 points.

Trump’s enhanced competitiveness reflects consolidation in his support since his primary

opponents dropped out, and it comes despite significant challenges to his candidacy. Fifty-eight percent of Americans call him unqualified to be president, 60 percent see him unfavorably