Kamala Harris was closing in on her vice-presidential pick on Monday, with an announcement expected within 24 hours as she scrambles to introduce herself to the American public with a tour of battleground states just three months out from the election. All paths to the White House run through a handful of swing states, and Harris will kick off her five-day run on Tuesday in the largest – Pennsylvania – as she builds momentum for her showdown with Republican Donald Trump on 5 November. “This election is a fight for our country, our future, and our most fundamental freedoms and rights,” she post…