Many Straight Guys Say 'No Thanks' to 'Brokeback Mountain' BY DRU SEFTON It's true, the movie "Brokeback Mountain" does provoke what one researcher calls "a very strong ick factor" in some straight men. What is it in this story of two cowboy pals in 1960s Wyoming who find themselves in lifelong love -- yet go on to marry women -- that elicits this response from heterosexual males? The answers are as complex as the plot. A psychologist who coined the word "homophobic" said the revulsion is precisely that. A scientist who discovered genetic links to sexuality said he simply does...