The people are at the polls this week, as major elections and leadership transitions dominate the front pages. In France, François Mitterrand’s political domination continues into the late ‘80s as he secures a second term, while nearly two decades later, Nicolas Sarkozy takes over from Jacques Chirac to begin his turbulent presidency. In the UK, Tony Blair’s premiership enters its final days, raising questions about his legacy and paving the way for Gordon Brown. Meanwhile, Northern Ireland begins a historic new chapter as power-sharing is formally agreed between the Democratic Unionists and Sinn Féin. Explore these headlines and much more in this week’s archive snapshot. 5 May 1987 - MI5 plot over CIA claims Following its initial exposé the previous week, The Independent publishes further details of an alleged 1974 conspiracy by MI5 officers to oust Prime Minister Harold Wilson.…