With Vice President Kamala Harris riding a wave heading into next week’s Democratic National Convention, former President Trump and his campaign appear to be stepping up their efforts to blunt her momentum.Trump’s campaign tells Fox News it plans to counter-program during the Democrats’ national nominating convention, which kicks off next Monday in Chicago.“We’re going to roll out some stuff,” a Trump campaign senior adviser told Fox News.The adviser, who asked to remain anonymous to speak more freely, said the campaign will put “a whole cadre of people” — including Trump and top surrogates — into the field next week.TRUMP ARGUES HARRIS IS MORE LIBERAL THAN BERNIE SANDERS — HERE’S WHAT THE VERMONT SENATOR TOLD FOX NEWS “We’re certainly going to have key people in the battlegrounds and available to the media to counterprogram,” the adviser said. And one of …