French election: Far-right celebrates lead

French voters have delivered a historic vote in the first round of parliamentary elections. The far right National Rally is on track to become the largest single group in the legislature. We've been hearing from Marine Le Pen's supporters on how a party, so long considered a fringe grouping, has won the largest share of the vote. And, we'll look at why attainment levels for mathematics students in Africa remains stubbornly low.