The second aliya of Vayeira begins at 18:15, with the end of the Sarah-denying-having-laughed episode. It then goes on to focus on S'dom and the other cities. This happens in the middle of a column, ...
Why does revi'i - the fourth reading - of Parashat Vayeira end with the first few verses of the story of the birth of Yitzchak (Gen. 21:1-4)? Objections: There's a natural break in narrative before ...