In red states and blue, Republicans suffered losses on a scale even Democrats would never have dared to dream about 24 hours ago.Why it matters: Democrats worried that polls showing a blue wave were overestimating the party's strength. It turned out polls underestimated the size of the Democratic romp — by a lot.The margins Democrats racked up in red states were stunning:Georgia: Sen. Jon Ossoff won reelection by nearly 18 percentage points.