COLUMBIA, S.C. — South Carolina’s senior U.S. Sen. Lindsey Graham took his calls for regime change in Russia one step further Thursday night, when he tweeted that someone needs to take Russian President Vladimir Putin out over the invasion of Ukraine. Anyone willing to kill Putin over his recent invasion of neighboring Ukraine would be doing a “great service” for Russia and the rest of the world, Graham tweeted. Graham first made the assassination call during a Thursday night appearance on Fox News’ Sean Hannity. “Is there a Brutus in Russia? Is there a more successful Colonel Stauffenberg in …