I was talking to some friends earlier who worked on local campaigns and they brought up a good point that next week will probably decide who wins this election.
Your friend isn't that bright. We have 3 debates coming up, after those, whoever is in the lead will probably win, not before.
Hillary is still ahead in the main 3
RealClearPolitics - Election 2016 - General Election: Trump vs. Clinton
http://projects.fivethirtyeight.com/2016-election-forecast/
Election Betting Odds
That's even after the bad week she's had.
The deplorables thing won't last. It's true, maybe not 50% but we all know a good chunk.
She's now rested.
Trump Foundation issues will be in the news now.
Trump will get destroyed in the debates.
Hillary will be next President. Right now, everything points to that happening. He doesn't have the demographics, no clear path to victory in Electoral College.

