Today on inside politics, republican candidates get busy bruising each other in a debate marked by insults, prepared oneliners and plenty of pettiness. Plus the speck call starts. Today is day one of the Impeachment Inquiry into joe biden. Republicans promise a show and tell. The democrats retort, wheres the evidence. And danger knocks, President Biden is in arizona to warn the country and rerevive a 2020 and 2022 Campaign Theme that democrats believe worked. That maga extremists are a singular threat to american democracy. Im dana bash. Lets go behind the headlines and ininside politics. Up first, A Chaotic Cross Talk filled debate that gave us more questions and more insults, but little clarity about who, if any, of these candidates can truly challenge donald trump. The front runner was not there again, but you could sense the desperation among those on stage to find a breakthrough moment. You could see and hear that more and more Donald Trumps republican rivals realize they wont win