Democrats' Big Pennsylvania Voting Win
b'Democrats score a big court victory on Pennsylvania\\u2019s mail-in ballot rules. CNN Political Director David Chalian discusses what that means in the key swing state. Plus, will the Debate Commission\\u2019s new rule to mute candidates during their opponent\\u2019s initial responses work? And finally, Biden gets more endorsements from longtime Republicans.\\nTo learn more about how CNN protects listener privacy, visit cnn.com/privacy\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'