NBA Power Rankings: Lakers back on top

The Los Angeles Lakers have won five straight games and nine of the last 10 overall. The two-time defending champions return to the top of this week's NBA Power Rankings and are ready for another title run.
Kobe Bryant has the defending champion Los Angeles Lakers ready for another championship run. ((Andrew D. Bernstein/Getty Images))

Each week,'s Lance Winn breaks down the balance of power in the National Basketball Association.