I don’t think Ryan can be defeated.
Cantor didn’t think he could either.....
Not true.....if not in the primary, then in the general against the Dem.
Statistics
Ryan was reelected in 2012 with 55% of his district’s vote and 44% of the vote in his hometown, Janesville
2014, he won with 63%.....everyone believed what he said he would do
These are very slim margins.
All it will take is for the disenfranchised Republicans to NOT vote......or to vote Dem....just to flush him out.
Very do-able
 If he isn't defeated in the primary then vote for his democratic opponent. Don't give me the cr@p about never voting for a democrat, what about Ryan's performance convinces you he is not a democrat?