Clarkson tops 'Idol' airplay for the week

For Kelly Clarkson, one single's moving down while two others are moving up. Stronger (What Doesn't Kill You) continues to get enough spins to make it the week's most-played Idol track, but it falls to No. 16 on USA TODAY's Top 40 chart. Meanwhile, the country version of Mr. Know It All climbs from No. 30 to No. 28 on the Country airplay chart, and Dark Side jumps from No. 98 to No. 70 on the...