Day 5 of the US Open Tennis Slam has sister against sister. Venus and Serena Williams will face each other for the 30th time. The first meeting was 20 years ago at the Australian Open in 1998. Venus won that meeting in straight sets. Overall, Serena leads in their head to head matches...17 to 12...including 8 of the last 10. But Venus did win their only meeting this year. Who do you think will will?