by Lydia Saad

Melania Trump's pre-convention favorable rating is the worst of any potential first lady Gallup has measured since 1992, mainly because Democrats tilt strongly against her. Republicans are more positive, though many can't rate her.

by Frank Newport and Andrew Dugan

In the U.S., one in four view Trump and Clinton unfavorably, much higher than the percentage who disliked both candidates in 2012 or 2008. But this doesn't mean turnout will be low or a third-party candidate will be successful.