Stuart Varney: Joe Biden could be Kamala Harris' October surprise

During his "My Take," Thursday, "Varney & Co." host Stuart Varney argued that President Biden's repeated blunders and penchant for making news for all the wrong reasons could swing votes away from Vice President Kamala Harris and towards former President Donald Trump.STUART VARNEY: One of my colleagues here at Fox suggested that Joe Biden is Kamala Harris' October surprise. Could be.Biden is certainly the gift that keeps on giving to Donald Trump.THE FATAL FLAW IN KAMALA HARRIS' SPEECH,