Whether the least culpable means of committing a violation under 18 U.S.C. 1951 qualify as a 'crime of violence' under 18 U.S.C. 924(c)(3)(B)

QUESTION(S) PRESENTED Whether the least culpable means of committing a violation under 18 U.S.C. 1951: conspiring to commit a Hobbs Act robbery, qualify as a "crime of violence" under 18 U.S.C. 924(c)(3)(B)? Whether 18 U.S.C. 924(c)(3)(B) allows for a categorical approach without offending the Fifth Amendment to the United States Constitution? . , : \ .