Belgian Grand Prix It's ten out of ten for McLaren!
AYRTON SENNA 'S lead over ALAIN PROST is six to four.
And they're also the sort of odds you would get on the Brazilian landing his first Drivers' World
Championship. But Prost won here last year. Watch out, too, for local hero
THIERRY BOUTSEN , whose drive in Hungary three weeks ago was inspired. Producer CHARLES BALCHIN