Assertion: vote's vote | /r/CapableOf | block witness
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text: During lunch on Thursday, Senate Majority Leader Mitch McConnell did not indicate whether he believes he has the votes to block witnesses -- but the GOP senators did discuss the possibility of a 50-50 tie on witnesses.
text: That leaves just a handful of GOP senators who are either wildcards or open to hearing new evidence, as Republican leaders start to close in on securing enough votes to block witnesses.