The Massachusetts senator’s presidential campaign will also start airing ads in Maine, a source said.
Sanders skates by, Warren sticks to her story and Biden’s up-and-down performance.
Polling in New Hampshire and nationally shows the Massachusetts senator struggling with independents who plan to vote in the Democratic primaries.
“There’s nothing to come back from yet,” Biden insisted to a New Hampshire crowd after a poor showing in Iowa.
Shadow, a Democratic tech firm, created the app that was supposed to deliver quicker caucus results.