It promises to be a tense final few weeks before the U.S. presidential election in the battleground states of Michigan, Pennsylvania, and Wisconsin.
These three states make up part of so-called “Blue Wall” that tend favor Democratic candidates. That wall collapsed in 2016, when Donald Trump carried all three states. CGTN’s Dan Williams reports from Pennsylvania.

For more, check out our exclusive content on CGTN Now and subscribe to our weekly newsletter, The China Report.