With Mitt Romney's three-primary sweep this week, he effectively made his clinching the Republican presidential nomination a matter of when, not if.
Not surprisingly, President Obama has released a new TV ad this week, in response to criticism he's incurred from oil companies - and Mitt Romney.
The President argues that he has actually boosted domestic oil production, and is only a target because he sought to end tax breaks for oil corporations.
Tax breaks that would ease the burden on average Americans - by his calculus, at least. Obama's ad not-so-subtly links big oil to, you guessed it, Mitt. Watch:
If the election were today, who would you vote for?