Labor Day is often seen as the unofficial kickoff to the campaign season and nearly every presidential candidate will be out on the trail, reports CBS News correspondent Nancy Cordes.
Six of them will be in the early primary state of New Hampshire: four Republicans and two Democrats.
Twenty nine percent of Republicans in Iowa and 28 percent in New Hampshire now say they favor the brash billionaire, according to a recent NBC News/Marist Poll.
Those are his strongest poll numbers yet.
In a hypothetical 2016 match-up, he beats Clinton in Iowa by 5 points.
There are just 147 days until the Iowa caucuses and 155 days until the New Hampshire primary.