Democratic primary polls are showing a 3-way race going into the third debate

On Thursday night, the third Democratic debate will be the first to put all the major Democratic candidates on one stage together. But among the 10 candidates, only three have been consistently registering frontrunner status in the polls: Former Vice President Joe Biden, Sen. Bernie Sanders, and Sen. Elizabeth Warren.

And that’s been pretty consistent for several months now.

Between the two rounds — and four nights — of debates, there have been a lot of break out moments for those three and some of the other seven candidates who...