Why can't it be Philip Rivers' year?

[youtube=http://www.youtube.com/watch?v=ekV6wTdJ0fc&w=600&h=315]

Don't look now, but the San Diego Chargers have won four games in a row. They enter the AFC Playoffs as the six-seed, and they need to travel to Cincinnati -- where there might be snow -- and Cincinnati is no slouch (their defense is excellent, for one thing). For the Chargers to win the AF…