In an outraged statement, he announced that it would be used against them in the 2022 midterms and warned Republicans they would face primaries if they went along with it.
Plans for an infrastructure plan grew a running joke in the Trump administration as the president repeatedly failed to make progress. As a consequence, some commentators think the former president has been desperate to destroy his successor's efforts.
Trump announced it was hard to believe Senate Republicans were dealing with 'radical left Democrats.'
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'This will be a victory for the Biden Administration and Democrats, and will be heavily used in the 2022 election,' he announced in a statement
'It is a loser for the USA, a terrible deal, and makes the Republicans look weak, foolish, and dumb. It shouldn’t be done.'
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Earlier Biden trumpeted a bipartisan Senate agreement on an infrastructure deal as proving 'democracy can function.'
It involves $110 billion for roads, $73 billion for power grid spending, $66 billion for railways, $65 billion to expand broadband access, $55 billion for clean drinking water, $50 billion for environmental resiliency, $39 billion for public transit, and $25 billion in airports, according to the White House.
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The deal paves the way for an even greater, $3.5 trillion package of Medicare benefits, federal safety net programs, and climate change mitigation that Democrats wish to pass in the face of Republican opposition.
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Trump explained that Republicans had set the stage for Biden to do what he likes and asked them to think about their own electoral prospects if they cross him.
'It sets an easy glidepath for Dems to then get beyond what anyone thought was possible in future legislation,' he stated.
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'It will be a continued destruction of our country.
'Our Borders are horrible, crime is at an all time high, taxes and inflation are going way up, the economy is going way down, and now this.
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'Don’t do it Republicans - patriots will never forget! If this deal happens, lots of primaries will be coming your way!'
The early count implies Trump may not be able to stop the bill from proceeding to the next stage.
no less than 10 Republicans, including Senate Minority Leader Mitch McConnell who tweeted his support, seem eager to advance an unfinished bill to the next stage.
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That is expected on Wednesday night.
In a statement after Republican Sen. Rob Portman first announced agreement on the main concerns, Biden announced: 'I am pleased to join a bipartisan group of United States Senators and announce our deal to make the most significant long-term investment in our infrastructure and competitiveness in nearly a century.
'This deal signals to the world that our democracy can function, deliver, and do big things.'