California Congressman Adam Schiff has become the highest-profile Democrat to call for President Biden to step down. With the Republican party presenting a united front around Donald Trump during its convention in Milwaukee, uncertainty looms within Democratic circles. Poll numbers show Trump leading in battleground states he lost in 2020, which cost him the White House. Catawba College political science professor Michael Bitzer joined Jeff Hamlin on the WPTF Afternoon News to discuss the latest developments in the presidential race.