Author: JENNIFER AGIESTA, CNN POLLING DIRECTOR

CNN Poll: Joe Biden holds lead heading into December debate

Joe Biden continues to hold a lead in the race for the Democratic nomination for president and remains the candidate potential Democratic voters think has the best shot to defeat Donald Trump, according to a new CNN Poll conducted by SSRS.

CNN Poll: Nation remains divided on impeachment

The American public is about evenly split over whether President Donald Trump should be impeached and removed from office, according to a new CNN Poll conducted by SSRS, with the House of Representatives poised to vote on articles of impeachment this week.

CNN Polls: Close race in California's Democratic primary

Likely Democratic primary voters in California are about evenly split among the top three candidates -- Joe Biden, Bernie Sanders and Elizabeth Warren -- in the race for the Democratic nomination, while Texas Democrats tend to favor Biden, the nationwide frontrunner, according to new CNN polls conducted by SSRS in two of the largest early states to cast ballots next year.

Poll: Biden leads nationally as Buttigieg rises

Former Vice President Joe Biden continues to lead the newly expanded field of contenders for the Democratic nomination for president, with Sens. Elizabeth Warren of Massachusetts and Bernie Sanders of Vermont behind him in a close battle for second, according to

Poll: No change on impeachment views after public hearings

After five days of public hearings in House Democrats' impeachment inquiry into Donald Trump, public opinion over whether the President ought to be impeached and removed from office remains exactly the same as it was in October, according to a new CNN poll conducted by SSRS.

Poll: Sanders, Warren fight for home field in New Hampshire

Vermont Sen. Bernie Sanders (21%) and Massachusetts Sen. Elizabeth Warren (18%) are in a close race among likely voters in New Hampshire's first-in-the-nation Democratic presidential primary, according to a new CNN poll conducted by the University of New Hampshire.

Poll: 50% support impeaching Trump, removal from office

Half of Americans say President Donald Trump should be impeached and removed from office, according to a new CNN poll conducted by SSRS, a new high in CNN polling on the topic and the first time that support for impeachment and removal has significantly outpaced opposition.

CNN Poll: Americans becoming likely to say diversity enhances culture

In the last few years, Americans have become more likely to say the country's increasing diversity enriches the nation's culture, even as perceptions of how others experience racial discrimination have grown more divided by partisanship, according to new findings from a CNN Poll conducted by SSRS.

Poll: Support for impeachment rises among independents, Republicans

Americans are about evenly split over impeaching President Donald Trump and removing him from office, as support for that move has risen among independents and Republicans, according to a new CNN poll conducted by SSRS after the announcement of a formal impeachment inquiry by House Democrats last week.