Things got political at Thursday night's New Kids on the Block concert at Verizon Center. Singer Jonathan Knight wore a Barack ObamaBarack Hussein ObamaMullen: 'National security issues do not wait' for presidential transitions Is Trump headed to another campaign or to a courtroom? With the Chang'e 5 launch, China takes a giant leap forward in the race to the moon MORE t-shirt, which his bandmate Joey McIntyre complimented and then reminded fans, "Whatever you do, remember to vote."