President Joe Biden and Vice President Kamala Harris finish speaking about their administration's efforts to lower prescription drug costs during an event at Prince George's Community College in Largo, Md., Thursday, Aug. 15, 2024. (AP Photo/Stephanie Scarbrough) In their first joint event since Vice President Kamala Harris replaced President Joe Biden as the Democratic nominee after he dropped out of the 2024 presidential race, Harris and Biden visited Prince George’s County Community College...