Nielsen’s final look at ad buys by the 2008 Presidential candidates proved one famous mantra: politics really are local.
President-elect Barack Obama placed one-and-a-half times as many spot TV ads than John McCain during the general election season (6/08 to 11/08), and almost twice as many ads dating back to the beginning of January when the primaries were just heating up.

SPOT TV ADS: June-Nov 2008

Barack Obama
419,667

John McCain
269,992

The local numbers show a much bigger discrepancy than those for national cable and network buys. Sen. McCain kept pace w/ President-elect Obama in those …