CBS Poll: Field Gaining on Leader Biden in Early States

Former Vice President is suffering from the fallout of his first primary debate, seeing his lead dwindle to just 5 points among voters in 18 early primary and caucus states, according to the latest CBS News/YouGov poll released Sunday.

Biden pulls 25% of likely Democratic primary voters in 18 states that hold their primaries or caucuses before Super Tuesday. Sen. Elizabeth Warren, D-Mass., is second at 20%, while Sens. Kamala Harris, D-Calif., (16%) and Bernie Sanders, I-Vt., (15%) are neck and neck in third and fourth.

The results shaved 6 percentage points off Biden's support, and 1 point from Sanders, while Harris (up 5 points) and Warren (up 3 points) both gained in the first CBS Battleground Tracker poll after the first Democratic primary debate in June.

Here are all of the top candidates pulling at least 2% of the vote in the poll:

1. Biden 25%.
2. Sen. Warren 20%.
3. Harris, D-Calif., 16%.
4. Sen. Sanders 15%.
5. South Bend, Indiana Mayor Pete Buttigieg 6%.
6. Former Rep. Beto O'Rourke, D-Texas, 4%.
7. Obama administration HUD Secretary Julian Castro 2%.

Among the candidates pulling 1% are: Sen. Amy Klobuchar, D-Minn.; Sen. Cory Booker, D-N.J.; venture capitalist Andrew Yang; hedge-fund billionaire Tom Steyer; Rep. Tulsi Gabbard, D-Hawaii; ex-Gov. John Hickenlooper, D-Colo.; and Gov. Steve Bullock, D-Mont.

The CBS News/YouGov poll surveyed 8,760 registered Democratic voters in early states between July 9-18 with a margin of error of plus or minutes 1.5 percentage points.

• CBS Poll: Biden's Dwindling NH Lead Down to 7 Points 
• NBC Poll: Biden Still Leading as Warren, Sanders Tie for Second