"I dislike the fact that as a state senator he voted present more times than he voted for or against. Then when he was called on it, he said, I meant to vote, but pushed the wrong button."
Let's be very clear. In 8 years, with more than 4,000 votes recorded, Obama voted "present" precisely 129 times, or 3.25% of the time. You don't have to like him, but it isn't necessary to make up or repeat lies about him.
As to why the "present" votes, you might want to check in with the Illinois Legislature:
'Present' votes defended by Ill. lawmakers