Clinton invokes Khan family against Trump in key states

The nominees retrenched behind familiar arguments a day after appearing together at a charity event that veered into cutting personal attacks, an unexpected metaphor for this year’s take-no-prisoners presidential campaign.

In the minute-long ad, which Clinton’s campaign said was airing in seven battleground states, Khan retells how his son, Capt. Humayun Khan, died in Iraq seeking to protect his U.S. military unit from a suicide bomber.

The typically self-assured Trump was unusually candid about the possibility of losing the election, a prospect that has grown in likelihood as Clinton solidifies her lead in battleground states that will decide the election.

Trump said he is packing his schedule with campaign events through election day so he will know he spared no effort even if ultimately unsuccessful.

Because I don’t want to say, I don’t want to think back, if only I did one more rally, he said.

Underpinning Trump’s threat is his contention — presented with no evidence — that the election is “rigged” against him and may be soiled by widespread voter fraud.

With the final debate behind them, the two candidates appeared together Thursday night for likely the last time in the campaign, at a Catholic fundraiser that turned unusually hostile.