Diane Rwigara, an outspoken critic of Rwandan President Kagame, has been barred from standing in next month’s presidential election.Only Mr Kagame and two other politicians – Frank Habineza of the Democratic Green Party and independent Philippe Mpayimana – were cleared by the electoral body.Ms Rwigara, who was also disqualified from the 2017 poll, took to X, formerly Twitter, to express her disappointment to Mr Kagame.“Why won’t you let me run? This is the second time you [have] cheat[ed] me out of my right to campaign,” she said.The 42-year-old, who is the leader of the People…