Portman's name surfaced last week as a potential challenger to Sen. Jerry Moran (R-Kan.), who has long expressed interest in the job.
Despite a very good map at the start of the cycle, Republicans have had to spend more than 40 percent of their independent expenditure money on defense.
The independent Senate candidates is losing his big lead and getting pounded on the airwaves. The question is: Will Democrats jump in and save him?
Now that Todd Akin is definitely going to be on the ballot, the national GOP suggests it might spend money on him.
The GOP is upping the ante in its efforts to force Akin out.