Lindsey Graham is at it again: The long-serving – if increasingly embattled – senator from South Carolina has produced an especially aggressive as well as hysterical statement. This time, he has, in essence, threatened Russia with US bombing in a little less than two months from now.

If you know Graham’s record, then that may appear insane but also sort of unremarkable, because that’s just choleric, red-faced Lindsey having a normal rant. Yet there are reasons not to dismiss this particular tantrum too quickly. Even though Graham is probably too busy foaming at the mouth to notice, his latest hissy fit is unintentionally revealing.

For one thing, there’s a whiff of panic about this outburst. And Graham does have reasons to feel less than comfortable. For starters, as noted above, his seat in the Senate is anything but secure, with Graham facing what The Independent has called a “daunting challenge” coming up next year. Then, Graham will have to defend his seat – which he has held since 2003 – in midterms that could go badly for him.

His current approval rating in his home state is a squalid 34 percent. America’s MAGA base is, at best, ambiguous about the aging opportunist from South Carolina. That means that the most dangerous challengers to Graham are not Democrats but fellow Republicans who point out his very real selfishness and bottomless unreliability. President Donald Trump, it is true, has occasionally said a nice thing or two about Graham, but he has been at least equally friendly about one of his Republican challengers, businessman Andre Bauer.

One thing that voters at home hold against Graham is his prominent and extremely bellicose commitment to what most of us on planet Earth would call US imperialism but what Americans prefer to think of as “globalism.” That is what Bauer is going after, for instance. And for good reason: There really is no war of aggression, economic warfare campaign,........

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