Despite facing four indictments, Donald Trump remains the leading GOP presidential candidate, while his opponents have faced criticism for refusing to condemn the MAGA hopeful amid his legal battles — except former New Jersey Governor Chris Christie. During the latest episode of CNN News Central, hosts Brianna Keilar and Boris Sanchez spoke with CNN analyst Alice Stewart and former US Congressman Joe Walsh (R-IL) about why the other candidates — Florida Governor Ron DeSantis, ex-South Carolina Governor Nikki Haley and biotech entrepreneur Vivek Ramaswamy — can’t seem to get ahead. Keilar and S…