Lots of “American Idol” fans were perplexed by the story about how Paula Abdul broke her nose after she tripped over her Chihuahua, Tulip. “It hurt so bad . . . I fractured my toe, as well,” Abdul told reporters. But a source tells us it’s a coverup. “Paula did not break her nose. She had pitched a fit, threw something into a mirror or glass object, and a shard of glass struck her in the face, which explains why ...