Is it necessary to have a wheel alignment every time I have my tires rotated? Car Doctor

I just came back from the Toyota dealer after having my oil changed and tires rotated. They said that I needed a wheel alignment.
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Astronomers stunned by object orbiting backwards

Astronomers have recently been taken aback by the discovery of an object in space that seems to be defying the common laws of celestial movement by orbiting backwards. This surprising discovery, which ...