Attorney & Legal Expert, ALAN OSTERGREN shares his insight with SIMON about tomorrow's Supreme Court oral arguments over birthright citizenship. Today, President Trump announced he will be attending the high court's proceedings tomorrow, marking only the 2nd time a sitting POTUS has attended SCOTUS proceedings. The first time was when he himself attended another oral argument a few months ago. His attendance may raise constitutional questions related to the separation of powers. Alan covers all this and more!