The Giants know little about repeating.The A's know everything. When the A's get on a roll, it's usually not one and done. It'ssustained. It stands the test of time, and it's about getting backto the postseason year after year without a blip, constantly givingthemselves an opportunity to do damage through October. The A's have repeated in all types of ways, as their threeplayoff reigns in Oakland illustrate: 2000-03: Four straight postseasons, but withoutadvancing past the first round.