. >> reporter: democratic senator jeff merckly staged a marathon protest on the senate floor overnight, calling on republicans to delay the vote, on supreme court nominee, neil gorsuch this week. this is amid ongoing investigationness to ties between president trump's campaign and russia. >> unacceptable that we're considering this nomination at this moment when there is a cloud over the presidency. >> reporter: part of those investigations involved the president's still unsubstantiated claims that president obama wiretapped trump tower, on tuesday, the president pointed the finger at former president's national security advisor susan rice re tweeting the link to a story suggest ago this she may have unmasked the names of trump associates pick up during surveillance of foreign targets. >> in an effort to ask for identity of american citizens, it is necessary to understand the importance of a intelligence report, in some instances. >> reporter: white house press secretary sean spicer whether rice's motivation was political. >> it depend on the purpose of why they were asking and what th