 That is CBS News Chief Medical Correspondent Dr. John LaPook. Here's a look at the top stories we're working on at WTOP. Ohio Senator J.D. Vance now on the ticket. He joins former President Donald Trump. And on day two of the Republican National Convention, the focus is expected to be on immigration. President Biden sat down with NBC for another interview yesterday. A lot of the conversation focused on the political climate and the assassination attempt on Donald Trump. Keep it here. We'll have full details on these stories in the minutes ahead. It's 918.