Today's daf is sponsored by Kobi and Miri Darkei in honor of the birth of their new grandson, son of Reshit and Shlomo Breitley, brother to Cherut Shira, who enters today the brit of Avraham Avinu. "May he merit to grow in joy and health for Torah, marriage and good deeds, for the glory of the people of Israel and as a Jewish source of pride for his parents and family."

Today's daf is sponsored by Vitti Rosenzweig in memory of her mother, Sarah Rosenzweig, a Holocaust survivor, and daughter of Vitti and David Greenbaum who perished in the Holocaust. "May her memory be a blessing. We miss her."

Today's daf is sponsored by Shira Dishon for Staff Sergeant Eitan Dishon HY"D. "His 23rd birthday is on the 8th of Tammuz. At the end of chapter 23 in Tehillim it is written 'And I shall dwell in the house of Hashem for the length of days' - this was his dream. Since Eitan fell, I have merited through him to join Hadran and to learn the daf each day and to feel a bit of this dwelling in the house of the Hashem."

Can one sell defensive weapons to non-Jews? What is the basis of the debate on this issue?

Rabbi Yehuda permitted broken animals to be sold to gentiles. Does this apply to broken calves as well? Were they kept for reproducing, in which case they would be kept for the long-term (not purchased for slaughtering) and therefore forbidden to sell as people would notice they were sold and would think it is permitted to sell animals in general to gentiles. An ox that is being fattened for slaughter, can that animal be sold, as one can assume the gentile is purchasing for slaughter? The question is asked both according to the rabbi's position and Rabbi Yehuda's, as is explained by the Gemara.

Can one sell dangerous animals to non-Jews?

Are large non-domesticated animals (chayot) considered the same as large domesticated animals in terms of forbidding selling them to non-Jews?

What types of buildings can Jews aid in the building process for non-Jews? Those that are used for judging people are problematic, as they would judge many people to death.

The story of Rabbi Eliezer ben Horkanus is brought where he is captured by the Romans on suspicion of being a heretic.