“A lot of us do care about abortion.”
This would be the greatest argument to do anything to defeat Obama. Obama is the most Pro-abort president we have ever seen and only Ron Paul might not be preferable to Obama on abortion though he claims to be anti.
Abortion is perhaps the greatest reason to defeat Obama particularly if you have any belief that the Supreme Court will someday overturn Roe. With two more Obama appointees you can effectively forget about that ever happening.
Reconciling “principle” with continued slaughter will be impossible.