In it, but not of it. TPM DC
This is the same budget, of course, that includes the Medicare provision Gingrich blasted as "right wing social engineering," "radical change from the right," and "too big a jump" for the country. While Newt has profusely apologized for his choice of words, he has not backed down from his position that Ryan's Medicare proposal is a political disaster for the Republican party.
So to summarize the current Newt line: He's sorry for calling the GOP budget he would have voted for 'radical,' even though it would destroy his party's electoral prospects for years to come.
Here's video of Newt backing the Ryan budget: