Republican control hangs by a thread in the Senate, where a sudden or unexpected change in circumstances could alter the course of politics in 2018, according to journalist Jeff Greenfield.
In a column for Politico, the award-winning television journalist wrote if the health of two GOP Senators, John McCain of Arizona and Thad Cochran of Mississippi, forces them to step down, or if matters of fate come into play ahead of midterm elections, "the political consequences could be hugely consequential."
In Arizona in particular, Democrats are eyeballing retiring GOP Sen. Jeff Flake's seat, and that of McCain, should he step aside while battling brain cancer, Greenfield wrote.
Capturing both seats could be enough to put Democrats in control of the upper chamber, assuming they hold all of the seats seats they are defending next year — 10 of them in states President Donald Trump won, he added.
An open seat in Mississippi could also wind up with a candidate "unappealing enough" to put a safe red state in play, as well, he wrote, adding: "Just ask Alabama."
"Beyond the traditional measurements — generic ballots, the president’s approval rating, the state of the economy — there are matters of fate that can and have played decisive roles in who takes the reins of power," Greenfield wrote.
"And in a Senate so narrowly divided, those matters loom especially large; everything from a Supreme Court nomination to the future of heath care to the scope of financial and environmental regulation may hang on a single vote."
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