Robbie Keane’s path back to Celtic has hit a massive wall, is due to him not condemning Israel’s ongoing genocide in Palestine. A club where he once dazzled on loan is no longer warmly remembering him for his footballing achievements. What began as murmurs of discomfort has now hardened into robust opposition. Dozens of Celtic supporter groups have signed a joint letter opposing Keane’s potential appointment, citing his decision to manage Maccabi Tel Aviv during Israel’s genocide of the Palestinians in Gaza. The message is blunt. The mood is serious and the pressure on the Celtic board is unmistakable. Celtic fans aren’t…