On issues they may be close but don't forget white liberals only do things for blacks when votes are involved. Obama may feel he needs to do more.
If he did, I would expect the Republicans to call him out on it. If they do not, then they have no one to blame but themselves for an escalation in inner-city crime.
We can't rely on the Republican congress to curb Obama should he gain office. The number of true Conservatives in congress is not enough to override liberal democrats and wavering republicans. Add to the mix a radical liberal president and its a recipe for disaster.
Newt Gingrich did it in '94 (welfare reform, term limits, tougher crime laws, and a balanced budget).