MADISON, Wis. -- An Iraq war veteran on trial in a 2009 homicide took the stand Thursday in his own defense. Perry Lucas, 29, is accused of killing Detarius Martin, 23, after a fight at a Fitchburg apartment in June 2009. Lucas is charged with first-degree intentional homicide. Even before taking the stand Thursday, emotions overwhelmed Lucas as he wept in the courtroom. "I wish this never happened," Lucas said. Eventually, he told his version of what happened in June 2009. He said he was acting in self-defense. "Basically, I was trying to scare them because I was scared," said...