Some Senators went a little too far in their questioning of tech CEOs, yesterday. KNOW IT ALL: 1) Senate bill would compel gun owners to have liability insurance. 2) Atmospheric river talk. 3) A woman did her business in the aisle of a flight and someone got it on camera. 4) Drug overdoses at a youth detention center in Chehalis. // Bryan is looking for clues as to how America is responding to Iran in the Middle East. Def. Sec. Lloyd Austin gave his first major address since being hospitalized in December. // Bryan criticizes the content of Sec. Austin's first public speech about a possible U.S. response to Iran.