Left-wing Democrats are on a winning run in the US - but can they defeat Republicans?

Left-wing Democrats have experienced a series of recent electoral victories, but face a critical test in Michigan regarding their ability to appeal to working-class voters in swing states. The upcoming Michigan contest will be a significant indicator of whether the party can maintain its momentum while recapturing support from traditionally Democratic demographics. Success in persuading working-class voters could be crucial for defeating Republicans in key battleground states.