I am a US citizen and I have just recently learned that we are not required to show ID to vote. If this is the case then isn't it possible for illegals to vote? Concerned

Do you not receive voter registration with all pertinent data on it? That is your validation. At least that is the validation in Ontario. I don't show ID when I vote in provincial elections; when I make myself known , and show my voter registration, they check me off the list as being eligible to vote.

I don't know, are you here to create a problem, are you a troll ?

How often do you vote not to know the system where you are? Tell us.

I've been a US citizen all my life and have never shown ID in order to vote (in NY and IL). I take along my voter card that comes in the mail in case there's a problem (but never has been one).

There has never been a problem with illegals voting.

Actually the voter ID requirements depend on the sate in which you liove. Here's a good overview of what form of ID is required, from:
Voter ID: State Requirements

As for whether illegals voting is an issue or not - lots of opinions and not much evidence one way or the other. Personally I'm more concerned with the possibility of voter fraud by regular citizens, such as a person voting multiple times under different names. That's how JFK won the 1960 election (thank you Illinois, where we vote early and often!), and it could happen again.