It's round three, the final showdown between Hillary Clinton and Donald Trump. The debate stage is set. So what will they do? What should  they do?? Have they taken their drug tests? U.S. News & World Report'sLylah Alphonse(@WriteEditRepeat) and The Boston Globe'sDante Ramos(@danteramos) discuss.

Since substance may be in short supply at the debate, Adam Reilly (@reillyadam) continues his series on the real issues of 2016. Tonight: where the candidates stand on social security.

Rick Steves (@RickSteves) tells us why his latest travels are aren't in Europe, but are around Massachusetts, in support of Question 4, to legalize marijuana.

Jim has a few thoughts on debate fashion, and he’s talking about him, not her.