"Rubio, Rubio, Rubio."
You hear the chants all across the country. On talk shows, on cable TV, on blogs and in op-ed columns, everyone with a conservative bone in his body is urging presumptive GOP nominee Mitt Romney to choose the smart and dashing Marco Rubio as his vice president.
The conservative crowd's clamor for Rubio is beginning to worry me. It could backfire. For one thing, it's setting up Romney for a disaster.
If he doesn't choose Rubio -- and I would agree with that decision -- it's going to disappoint a lot of Republican voters who think Rubio is...