Republican nominee’s appearance in Nevada comes as Kamala Harris addresses supporters in Reno, saying ‘we’re fighting for a democracy’

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A lot of money has been spent on this year’s elections.

Only 150 billionaire families have contributed $1.9bn in support of presidential and congressional candidates, according to a new report from Americans for Tax Fairness.

Of this giant figure 72% went to support Republicans compared with the 22% spent on Democrats.