SAO PAULO, Brazil (Reuters) - A Brazilian passenger plane with 155 people on board disappeared over the Amazon jungle on Friday after colliding with a small plane, the company and news reports said. Gol flight 1907, flying from the principle Amazon city of Manaus bound for the national capital Brasilia, disappeared after losing radar contact, the company said. The head of Brazil's airports authority, Infraero, said the Gol aircraft collided with another smaller plane, Globo news agency reported. The smaller plane, an executive jet, was able to land in a town called Serra do Cachimbo even though it suffered wing...