In an address to the American public, Joe Biden addressed a need for strong, uniting leadership. PHILADELPHIA - Joe Biden blistered President Donald Trump for directing authorities to drive back peaceful protesters outside the White House “in order to stage a photo op,” saying Tuesday that the commander in chief “is more interested in power than in principle.” The presumptive Democratic presidential nominee is delivering a speech in Philadelphia, addressing “the civil unrest facing communities across America." Biden is working to elevate his voice in the national debate after more than two months of the campaign for the White House being frozen amid the outbreak of the coronarvius. “When peaceful protestors are dispersed by the order of the