members of the president's coronavirus task force. and when asked why not, the president would only said that dr. deborah birx was listening in the next room. dr. anthony fauci says he was not invited. david? >> mary bruce tonight. mary, thank you. we're going to turn next to the tense standoff in portland, oregon. new clashes tonight. protesters facing off against federal agents there despite the objections of the mayor and the governor. and now president trump is reportedly threatening to send federal officers to chicago. abc's kayna whitworth from portland tonight. >> reporter: tonight, reports that federal agents may soon deploy to chicago come as portland is facing what could be its 55th straight night of protests. overnight, demonstrators trying to break into the federal courthouse. it's just before 3:00 in the morning here in portland, things are still going. there's so much tear gas in the air that my eyes are burning. >> reporter: in a "nightline" interview, the acting dhs deputy secretary saying tonight those security agents in portland are within their rights to protect the courthouse. >> this is a long established