Biden, whose appearance ended shortly before Trump's began, said the United States was founded "on an idea, the American idea, basic fundamental decency, and it's being shredded".
Culinary Union spokeswoman Bethany Khan said later Saturday organizers checked in more than 500 people for the Las Vegas rally, including some who filled in overflow areas away from the stage. All of the states have competitive Senate races where Republican candidates are locked in tight races or hoping to unseat a Democratic incumbent.He heads out on the trail looking to change the subject after facing sharp criticism for his tame response to the disappearance of Washington Post columnist Jamal Khashoggi in the Saudi consulate in Istanbul.
Former Vice President Joe Biden is urging union members in Las Vegas to get out the vote for Democrat Jacky Rosen in Nevada's U.S. Senate race.
"Democrats believe our country should be a giant sanctuary city for criminal aliens", he said, while "Republicans believe our country should be a sanctuary for law abiding Americans".
"But my God, think of what's going on now, " Biden said, bemoaning that those values "are being shredded by a president who's all about himself".
Trump, trying to hold onto Republicans' narrow 51-49 advantage in the Senate, said a vote for Sinema "is dangerous" because it would empower Senate Minority Leader Chuck Schumer and House Minority Leader Nancy Pelosi.
"He never had more than one percent".
The president wants to focus on immigration as one of the defining election issues.
According to a report from the Wall Street Journal, the Republican-held governorships in Ohio, Wisconsin, Illinois, Michigan and Iowa are up for grabs, with the Democratic nominee pulling even or ahead in the polls.
Heller and Rosen held their first and only debate of the campaign on Friday.
"Among likely voters, the Democrats' lead grows, not shrinks 50-41", Todd said.
Trump emphasized that this round of tax cuts would be for middle-income individuals, not for businesses.
Trump praised Heller for his votes for conservative Supreme Court Justices Neil Gorsuch and Brett Kavanaugh.
Rallying thousands of supporters in an Arizona aircraft hangar for GOP Senate candidate Rep. Martha McSally, Trump warned of dire consequences if her opponent, Democratic Rep. Kyrsten Sinema, is victorious.