United States Senator Lindsey Graham has long been known and criticized by fellow lawmakers for often flip-flopping on his support for former President Donald Trump. The South Carolina lawmaker has switched from slamming the MAGA hopeful to backing his role in the January 6 attack on the US Capitol. Graham declared he wouldn’t back Trump’s 2016 presidential campaign, but endorsed the ex-president’s 2024 campaign. Once “a longtime foreign policy hawk,” according to The Washington Post, the GOP senator — who just several weeks ago, supported a foreign aid package including aid to Ukraine, Israel…