Donald Trump and Kamala Harris held rallies in Michigan to sway voters in the swing state. Trump faced a microphone malfunction in Detroit, leading to a delay and a critical comment about the equipment. He criticized his Democratic opponent and promised to save the city. Harris campaigned in Oakland County, with polls showing a tie between the candidates. Barack Obama supported Harris in Arizona. Trump also criticized Judge Tanya Chutkan and special counsel Jack Smith amid new evidence in the January 6 case, calling the case against him election interference.