Second Thoughts By William W. Lawrence Pennsylvania lawmakers won one and lost one in recent days. They appear to be doing a neat end-run around federal blackmailers who are demanding that Pennsylvania lower its blood alcohol limit from 0.10 to .08 percent. Pennsylvania legislators must pass a law lowering the limit by Oct. 1, 2003 to avoid losing $11.9 million in federal highway funds withheld in 2004. So they will. What it apparently calls for is simply a wake-up call with just minor penalties for those nailed driving with a blood alcohol content of between .08 percent and 0.10.But the...