Darryl Glenn is one of the few African-American faces to appear onstage in Cleveland this week. But Republicans could be forgiven for not knowing who he is.

Cable stations took his four-minute speech Monday night as an opportunity to cut away from live coverage of the floor and turn to analysis and commercial breaks.

As the Republican nominee for Senate in Colorado, Glenn’s one of just two Senate candidates with a speaking slot at the convention. Many candidates facing election this year have shied away from Cleveland, not wishing to be associated with presumptive nominee Donald Trump. Wisconsin Sen. Ron Johnson is speaking about homeland security Tuesday night.

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Glenn’s running in the only race in which Republicans had a chance of knocking off an incumbent Democrat . But even among the floor seating for his own delegation, there were empty chairs during Glenn’s address.