Tulsi Gabbard accuses Kamala Harris of "political ploy"
Hawaii Rep. Tulsi Gabbard, who is running for the Democratic nomination for president, told CBSN that comments made by California Sen. Kamala Harris about former Vice President Joe Biden were a "political ploy." CBS News political correspondent Ed O'Keefe joined "CBSN AM" to talk about Gabbard's comments as well as the latest campaign news.