the winner of senegal's election, macky sall, says his victory marks a new era. this is soon after his rival, the current president admitted defeat and thousands of people took to the streets to celebrate. >> after a violent campaign, jubilation. these are the supporters of the man who will now lead senegal, macky sall. >> i'm very happy, very happy. macky is young, very polite, courteous, and really, he deserves this. everybody was hoping he'd win. >> and this is the man he beat, his former political mentor, abdoulaye wade, who changed the constitution to try to secure a third term in office. his attempts to cling to power sparked scenes like this, upsetting the tranquility in west africa's most stable democracy. it was at times a bitter campaign. this man, a musician, wanted to run, but was disqualified by five constitutional judges. so who is macky sall? he was born to a modest family. his father, a civil servant. his mother, a nut seller. he was partly educated in france and held a number of ministerial posts under his predecessor, including that of prime min