No longer the drug-taking, whisky-swilling loudmouth, actor Colin Farrell has cleaned up his act and discovered yoga

Colin Farrell is giving someone a right ticking-off, gesticulating with one hand and prodding him in the chest with the index finger of the other. The fellow, a reporter, seems embarrassed but doesn't object; several pokes later he retreats into another room. Farrell follows him, maintaining a frown and daggering the man with suspicious glances. We're both here, in a Mexican hotel, to interview the actor, who is promoting his new film. Farrell has been chipper all day. I wonder what's got his goat.

A while later, when I sit down with him, he looks at me aghast. "Can you fuckin' believe what he said?" he asks with eyebrows arched. I presume he's referring to the poking scene and confess I don't know what was said. What is it, Colin? "Well, I couldn't believe it,...