covid came from is important to science, to being able to prevent a pandemic like this from emerging in the future. all four witnesses said they believed it was important, but beyond that a big focus so far has been on blaming china for the origins of the virus. now, the chinese government has called that attempts by the u.s. to politicize this issue, to denigrate china, and to really try to dismiss china, but nonetheless, congressional republicans who organized this hearing today making that a key focus in the first minutes. take a listen. >> the chinese government has done everything in its power to prevent the type of investigation into the origins of the covid-19 pandemic. >> the epidemic broke out, not in some random chinese city, but right in wuhan, home of the wuhan institute of virology. >> based on my initial analysis of the data i came to believe