On this week's broadcast of MSNBC's "Saturday Night Politics," former "Apprentice" cast member and White House staffer Omarosa Manigault Newman said President Donald Trump's attacks on Reps. Alexandria Ocasio-Cortez (D-NY) Rashida Tlaib (D-MI), Ilhan Omar (D-MN) and Ayanna Pressley (D-MA) known as "The Squad," are mean to start a race war.