local officials. tom frieden will testify, after acknowledging there have been mistakes and missteps. among the questions he will likely need to answer, are hospitals across the country prepared to deal with another case of ebola? does there need to be an ebola czar? something a lot of lawmakers are calling for. does there need to be a travel ban put into effect? the white house has said a travel ban is not necessary. and has also said a czar is not necessary. but undoubtedly, those will be among the topics of conversation on capitol hill today. president obama continuing to say he has confidence in tom frieden and an outbreak in the united states is very unlikely. craig. >> kristen welker from the white house, thank you. dallas county commissioners are announcing travel restrictions on any health care worker who helped treat duncan before he died of ebola. the tom administrative official here in dallas county is leading the county's response to ebola.