Yet another poll shows that the race for the U.S. Senate seat in Pennsylvania is close, where Democratic John Fetterman and Dr. Mehmet Oz, his Republican opponent, are running to replace retiring Sen. Pat Toomey (R-PA). The race has been increasingly one worth paying attention, and likely will remain so. This latest poll comes from Muhlenberg College/Morning Call, where Fetterman is in the lead with 48 percent to Oz's 42 percent. The poll was conducted September 13-16, with 420 likely voters. That it had a margin of error of plus or minus 6 percentage points means Fetterman's lead is within...