TORONTO - Actress Shirley MacLaine denounced US leaders while promoting her latest film, calling it an antidote for the angst and confusion felt by some of her compatriots. "In a country where we're all having trouble and struggling with what is the truth and who we are and why everybody is lying to us, I liked the idea of making a really honest picture," the Academy Award-winning actress said at the Toronto International Film Festival. In Her Shoes" by director Curtis Hanson ("8 Mile" and "L.A. Confidential") stars Cameron Diaz ("There's Something About Mary" and "Charlie's Angels") and Toni Collette...