NBC's Chuck Todd asked all 10 candidates at the second night of the first Democratic debate on Thursday to name the top issue that they hope to accomplish.
What they said:
Marianne Williamson: Making America the best place in the world for a child to grow up.
Former Colorado Gov. John Hickenlooper: Enacting a collaborative approach to climate change.
Andrew Yang: Giving $1,000 a month in universal basic income to every American over 18.
South Bend Mayor Pete Buttigieg: Fixing our democracy.
Former Vice President Joe Biden: Defeating Donald Trump, "period."
Sen. Bernie Sanders (I-Vt.): Taking on special interests.
Sen. Kamala Harris (D-Calif.): A tax cut for the middle-class and working families.
Sen. Kirsten Gillibrand (D-N.Y.): A family bill of rights including universal pre-k, affordable daycare and paid leave.
Sen. Michael Bennet (D-Col.): Climate change.
Rep. Eric Swalwell (D-Cali.): Ending gun violence.