Federal immigration authorities detained a Georgetown University graduate student from India who was teaching at the D.C. institution on a student visa, the Trump administration confirmed Wednesday evening.Why it matters: The detention of Badar Khan Suri comes after President Trump said the arrest by immigration authorities of the green card-holding Columbia University alumnus and pro-Palestinian activist Mahmoud Khalil was the first of “many to come.”Department of Homeland Security spokesperson Tricia McLaughlin alleged on X Suri has connections with Hamas…