 if Biden were not on the ballot. The president's job approval has dropped to 36%. That's another new low. In a head-to-head race, former President Trump has a 49-43 advantage over Biden, the same margin from a similar CNN poll in April. Now, would another Democratic candidate fare better against Trump? The CNN survey puts Vice President Kamala Harris within two points of Trump in a dual matchup. The CNN poll surveyed nearly 1,300 adults and has a margin of error of 3.5%.