A man is on trial in New York State for the fourth time, accused of murdering his wife on September 11, 2001. In his first two trials, Cal Harris, 54, was convicted of murder. Those convictions were overturned, the second one in 2009. After the first trial, a witness came forward to say he saw Michelle Harris, then 35, arguing with a man in his 20s at 6:00 a.m. on September 12, 2001. That witness, Kevin Tubbs, testified at Harris’s second and third trials. Tubbs testified yesterday in Harris’s fourth trial. Last week, the trial judge granted the defense’s request to allow evidence of third party culpability. This evidence was not allowed in the previous trial. That means the defense can put on evidence suggesting others are connected to Michele Harris’s disappearance. Her body has never been found. The evidence…