FILE- In this Oct. 2, 2018, file photo retired NASA astronaut and Navy Capt. Mark Kelly speaks as his wife, former U.S. Rep. Gabby Giffords looks on during a roundtable discussion with gun violence survivors, at UNLV in Las Vegas. Kelly said Tuesday, Feb. 12, 2019, that he's running to finish John McCain's term in the U.S. Senate. (Bizuayehu Tesfaye/Las Vegas Review-Journal via AP, File)