All elections are important. State and local laws can't protect you from federal policy, and so the presidential election is arguably as important as any other, if not more important related to individual rights. As the president picks Supreme Court nominations, which are approved by Congress, all of these elections are important. The Supreme Court has been instrumental in reinterpreting existing laws, in order to make explicit how laws are meant to work and be implemented. This has caused things like gay marriage to now be legal, which is clearly consistent with our Constitutional values spirit; the letter of the law was used to discriminate contrary to the intent of the law.