July 30— By Gideon Long LONDON (Reuters) - An American decision to publicly fund a high school for homosexual students in New York is a misguided exercise in political correctness which risks isolating the gay community, Europeans said Wednesday.Activists, students and officials across the continent agreed gay schools would never catch on in Europe.Even the British -- culturally closer to the Americans than any other Europeans -- were skeptical."Special schools may serve as shelter for vulnerable and bullied students but in the long term they won't solve the problem of living in a homophobic society," said Carlie Harter-Penman, spokeswoman for...