Earlier this month, the Jan. 6th House select committee subpoenaed five members of Congress, after they refused to testify voluntarily. At least three have since objected to or contested the subpoenas. CNN Political Director David Chalian explains what the House members are telling the committee – and what to look for as the select committee prepares for public hearings in June.To learn more about how CNN protects listener privacy, visit cnn.com/privacy