Crossover primaries are a huge GOP-e strategy, where they can summon their friends during times of trouble.
Same reasons democrats would vote for Lindsey Graham?
We might see the same thing with Thad Cochran and others.
Open primaries are a really stupid thing.
The ComPost getting worried that their boy, Cantor, may not be able to get over the top?
Open primaries need to be abolished. Would a viable alternative be the California system of having the 2 top vote primary vote getters on the ballot, even if they are in the same party?