Reuters
By Antoni Slodkowski, Elaine Lies and Kiyoshi Takenaka TOKYO (Reuters) – In an Olympic opening ceremony like none before, one tradition held firm on Friday as athletes from across the world paraded into an eerie, almost empty national stadium to represent their nations, for the first time their smiles hidden behind masks. Most countries were represented by both male and female flagbearers in an Olympic first, but not everybody took pandemic measures – teams from Kyrgyzstan, Tajikistan and the Pakistan flagbearers paraded maskless in an awkward contrast to protocol. The opening ceremony, normal…