Dean Heller, who is fighting to maintain control of his seat from his Democratic challenger, Rep. Jacky Rosen.
"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".
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.
Americans will vote November 6 in elections in which Trump's fellow Republicans will try to hold on to their majorities in the Senate and House of Representatives.
Trump mentioned the proposed tax cut in the same week the USA government ended the 2018 fiscal year with a $779 billion deficit, the Treasury Department said on Monday, as previous Republican-led tax cuts squeezed revenues.
President Donald Trump, seeking to frame the choices for voters in the midterm elections, said Friday that Democrats are "too extreme and too dangerous" to take control of Congress.
Real beaten again as pressure mounts on Lopetegui
Lopetegui's side were stung twice inside 13 minutes when first Jose Luis Morales and then Roger Marti, from the spot, scored. Losing a striker who would regularly score 50 goals in a campaign was always going to be a devastating blow.
Former President Barack Obama, who won Nevada during the 2008 and 2012 presidential elections, will be visiting the battleground state Monday with a get-out-the-vote rally in Las Vegas.
Biden, who has said he won't decide until at least next year whether he'll seek the presidency in 2020, has been keeping a presence in early voting states like Nevada. But during the last midterm elections in 2014, many Democrats stayed home and Republicans won key races across the state.
The President's Nevada stop comes fewer than 24 hours after his Arizona rally, where he also spoke at length about Democrats and immigration. Republicans now hold a 51-49 advantage. Last year, Trump threatened Heller's re-election chances when the senator held up GOP efforts to repeal the Obama-era health law. "I said, 'I want to thank the great men that are here, and I want to thank the lovely women everyone handsome, everyone, '" he said.
The Biden-Trump circling of one another in the same state happened recently in Kentucky, where Biden campaigned for a Democratic congressional candidate on a Friday night and Trump held a rally the next evening.
Following the emotionally charged and at times aggressive protests in Washington during the hearings for Supreme Court Justice Brett Kavanaugh, President Trump and other Republicans have repeatedly accused Democrats of stoking irrational fears and inciting "mobs" to publicly shout down their political opposition.
In Michigan, Democrat Gretchen Whitmer has a solid lead over Republican state Attorney General Bill Schuette to replace outgoing two-term Gov. Rick Snyder.