Happening Now: Biden event in St. Louis

Catch Biden's event on CNN.com/live.

(CNN) - Joe Biden is holding a campaign event in St. Louis, Missouri.

Earlier in the day, Biden made waves with his comments on stem-cell research at an event in Columbia, Missouri.

Watch Biden's event on CNN.com/live

UPDATE: This event has ended, but stay with CNN.com/live for all the day's events on the campaign trail.