Key takeaways from day three of the Republican national convention

JD Vance's addressed an enamored audience that chanted his name and a ringing silence on the topic of abortion

Republicans had a new chant on Wednesday night: not just Trump! Trump!" but also JD! JD! JD!" in honor of Trump's new vice-presidential pick, Ohio senator JD Vance, who introduced himself to the country Wednesday night in a confident and personal primetime address.

Also new: the professionally printed signs reading Mass Deportations Now," a reference to Trump's campaign pledge to engage in the biggest mass deportation of undocumented migrants in US history.