Ah, well. I suppose it's not hard to believe that slashing R&D spending will enhance progress and innovation if you're already the sort of person who believes tax cuts increase revenue.
The above is from an analysis of the Very Serious And Courageous Ryan budget "plan" by Adam Hersh and Sarah Ayres: "Disinvesting in America." Matt Yglesias has a good succinct post on this particular aspect.
Let's also remind ourselves that when you get to the end of that red line in 2021, you've cut approximately this many dollars from the deficit: 0.