PHILADELPHIA — Joe Biden is adopting an increasingly aggressive stance as he looks to break out of a monthslong campaign freeze imposed by the coronavirus outbreak.
Over the course of 24 hours, the presumptive Democratic nominee stepped up his rhetoric against President Donald Trump, warning he could try to steal the election. His campaign organized a petition pressing Facebook to boost its efforts to prevent the spread of misinformation. And he released a plan to restart an economy crippled by the coronavirus in a way that he says won’t make Americans choose between their health and livelihoods.
The quick succession of developments was a signal of Biden’s growing desire to become more assertive on multiple fronts. He’s betting that he can build momentum by