SALT LAKE CITY — The resignation Saturday of former House Majority Leader Kevin Garn, a Republican from Layton, over a nude hot-tubbing incident with a teenage girl 25 years ago is fueling the already heated debate over legislative ethics — especially since it follows the resignation of another high-profile GOP legislative leader from Davis County, former Senate Majority Leader Sheldon Killpack of Syracuse. Shortly before the start of the 2010 legislative session, Killpack stepped down after being arrested on suspicion of drunken driving. "There's no question, it's a black eye," Senate Majority Leader Scott Jenkins, R-Plain City, said Saturday. "These...