“Sen. Ron Johnson is jumping directly into a legislative train wreck,” Politico reports.”The Wisconsin Republican cut his teeth as a fiscal hawk willing to irritate his own party in pursuit of his deficit-shrinking dreams. Now, following Lindsey Graham’s death, Johnson is poised to take over the Senate Budget Committee gavel — and assume an outsized role in helping shepherd the GOP’s current attempt to pass another party-line spending bill.”“In theory, the ascension will give Johnson something he’s long wanted: a megaphone to promote the agenda of spending restraint he has struggled to make resonate in the rank-and-file.”