The United Auto Workers' strike against General Motors, Ford, and Stellantis, which makes cars under the Chrysler, Dodge, Jeep and Ram brands, has entered its fourth day. CNBC’s Phil LeBeau reports on the demands from both sides, and The Wall Street Joural’s Tim Higgins explains how Elon Musk’s Tesla is involved (by not being involved), as well as President Biden’s role. Former Microsoft CEO Steve Ballmer, now founder of USAFacts, discusses DC’s recent tech and political summit on AI and innovation’s regulatory framework. To listen to more from our coverage of the AI forum, hosted in the U.S. Senate, check out this recent episode. Steve Ballmer also answers our questions about tax policy, after presidential candidate Sen. Tim Scott, (R-SC) recently joined Squawk Box and said he wanted to make tax cuts permanent. Plus, Instacart is going public and House Republicans released a short-term bill to avert a government shutdown until Oct. 31st. Steve Ballmer - 12:42 Phil Lebeau - 31:06 Tim Higgins - 34:54 In this episode: Tim Higgins, @timkhiggins Steve Ballmer, @Steven_Ballmer Phil LeBeau, @Lebeaucarnews Andrew Ross Sorkin, @andrewrsorkin Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Katie Kramer, @Kramer_Katie