The explanation by the Saudi Arabian government that 60-year-old, out-of-shape Washington Post journalist Jamal Khashoggi was killed during a fist fight against hardened security men is being soundly dismissed Sunday morning news analysis programs by politicians and media. Khashoggi, a critic of the Saudi government, disappeared October 2 after entering the Saudi consulate in Istanbul. After denying a role in the Khashoggi disappearance, the Saudi government finally…