Bernie is dropping in polls because partly because Biden, fresh faces entered and partly because the economy is booming - different situation from 2016 when 85% of counties had not fully recovered from the recession by Election Day; Sanders’ anti-TPP stance boosted his appeal.
2. In mid-2016, the Federal Reserve scared the voting public by projecting that long-run rate of unemployment would be around 4.8%, with 2% inflation, possibly helping both Trump and Sanders. Unemployment today, however, is 3.6% - lowest in 50 years. https://www.nytimes.com/2019/05/03/upshot/unemployment-inflation-changing-economic-fundamentals.html …
3. If the economy continues to be this strong heading into November 2020, Trump will likely win a second term. That’s why it’s important for challengers to differentiate themselves on other issues while showing how they’ll maintain robust economic growth.
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