Kamala Harris steals stage, Biden target of attacks; Booker on his 2020 path after first democratic debate; Biden defends his past position on busing in heated fight; Pres. Trump smiles, tells Putin "don't meddle in election"

Biden defends record after bruising debate; Source close to Biden on debate performance: "Not great"; Swalwell to Biden: "Time to pass the torch"; Booker reacts to Biden's fierce defense of civil rights record; Biden: I never ever opposed voluntary busing; Harris targets Biden for opposing federally mandated busing; Biden tries to explain busing stance: I was against the federal government ordering busing; Biden and Harris busing exchange highlights divide for Dems; Trump jokes with Putin about election interference; Trump and Putin joke about "fake news" despite Russia's long record of murdering and jailing journalist; Supreme court to hear key political cases just ahead of 2020 election; Supreme court to hear cases on immigration, abortion, LGBT rights in election year; Supreme court to decide fate of "dreamers" before 2020 election; Charlottesville driver sentenced to life in prisonTo learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices