Donald Trump touches down outside Pittsburgh ahead of PA-13th election

Win McNamee  Getty Images North America

But for nearly all of his 75-minute performance in front of a raucous crowd packed into a hangar, it was in-his-element Trump, vintage 2016: rambling and fiery, boastful and jocular - the part of being president that he loves perhaps the most.

Saccone faces off against Democratic candidate Conor Lamb, who is a veteran and a former federal prosecutor, in a district President Trump won by almost 20 points in the 2016 presidential election.

Trump spoke at a rally on the outskirts of Pittsburgh in the state of Pennsylvania on Saturday.

The president called for harsh punishments for drug dealers, including potentially the death penalty.

He called NBC host Chuck Todd - who he's nicknamed "sleepy eyes" - a "sleeping son of a bitch" and described Democratic Rep. Maxine Waters as a "very low IQ individual". In some ways, Lamb is trying to run independent of the president, rather than as a referendum on him, and it seems to be resonating.

When Mr. Trump said that he may meet with Mr. Kim, some in the crowd began to boo.

Trump delivered "about five minutes" of what had been scripted for Saturday night's rally, a White House official familiar with the speech said. "It was great to see North Korea going and participating". But he scrapped his prepared remarks on Saccone, improvising and at one point handing the microphone to Saccone, too.

Trump explained that Connor Lamb is a nice guy, but he is weak on borders, weak on crime and weak on second amendment rights. Trump added: "Rick will help me a lot".

Polls in Pennsylvania's 18th District show a tight race.

Trump debuted the "Lamb the sham" nickname for Saccone's Democratic opponent, Conor Lamb, by suggesting the candidate is masquerading as a moderate Republican to sway Western Pennsylvania voters.

"We need Republicans, we need their votes". Even some Republicans admit that Lamb, who is also a veteran, is a better candidate.

"The whole world, remember that". But Trump warned the crowd that Lamb would vote the party line.

"Don't forget, this got us elected", Mr. Trump said. "He can say all he wants, there's no way he's voting for us ever, ever ..." "But for getting your votes, he's talking about how much he likes tariffs, which is my baby". "And he's slightly younger than me".

"[South Korean President Moon Jae-in] said without Donald Trump, the Olympics would have been a failure", Trump said. "Hopefully, Rick Saccone will be another big win on Tuesday".

In addition to Trump, who previously visited the region in January and gave Saccone a shoutout, the White House has also sent Vice President Mike Pence, first daughter Ivanka Trump and top Trump aide Kellyanne Conway to help him.

"I think it's a discussion we have to start thinking about. I know her very, very well", Trump said, without elaborating what that weakness could be.

"That's why we have a problem, folks".

"Not all of our friends on Wall Street love it, but we love it", Trump said of the tariffs. "Now, I never did polling on that - I don't know if that's popular, I don't know if that's unpopular". "... These people are killing our kids and they're killing our families, and we have to do something. We can't just keep setting up blue-ribbon committees with your wife and your wife and your husband, and they meet and they have a meal and they talk, talk talk talk, two hours later, then they write a report".

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