Trump optimistic for COVID vaccine as relief package stalls in Congress

Ahead of his trip to Ohio, President Trump said he is optimistic about having a coronavirus vaccine by the end of the year. CBS News’ Nikole Killion and Axios White House reporter Alayna Treene join CBSN’s "Red and Blue" to discuss that plus the controversy over where the president might give his convention speech and more of the day’s political headlines.

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