Sarkozy's 5-Year Prison Sentence for 2007 Campaign Funding
Judge Nathalie Gavarino calls offenses 'exceptional gravity'; Sarkozy denies and appeals, calling verdict 'scandal'.
France's top court upheld 2014 bribery conviction and 2012 illegal financing sentence.
Sarkozy serves sentence while appeal proceeds and new trial is pending.
He becomes first French postwar president to serve prison time.
3 weeks ago