US presidential candidates step up campaign efforts in key states
As the US presidential election approaches, major campaigns are underway in several key states that are expected to be pivotal in deciding the November outcome. This week, Vice President Kamala Harris, who recently picked Minnesota Gov. Tim Walz as her running mate, is set to visit Wisconsin and Michigan on Wednesday. Her itinerary also includes stops in Arizona and Nevada later in the week. On the other side, Sen. J.D. Vance, former President Donald Trump's running mate, is also expected to attend high-profile events in Wisconsin and Michigan. Plans for North Carolina have been postponed because of an impending tropical…