When we read it in Parshat Bo this year, it was still about three months away. When we read it this Shabbat - and we say THIS MONTH, we really mean it. 28% of the years - Shabbat IS R"Ch Nissan! If we had a Sanhedrin sitting today, we would have the following situa- tion: Thursday evening, the Moon is too 'young' to be visible to the naked eye. The Sanhedrin would calculate (or consult the internet) that the first visibility of the Lunar Crescent would be Friday, shortly after sunset. A man who sees the L'VANA B'CHIDUSHAH, the Moon...