Parshat Vayigash

KMTT - the Torah Podcast - A podcast by Rabbanei Yeshivat Har Etzion - Thursdays

Parshat Vayigash, The Twilight Years, written by Rav Ezra Bick Surprisingly, Ya'akov is still frequently referred to by his old name even after he becomes Yisrael. What is the significance of the Torah's choice of one name over the other, particularly during the final years of Ya'akov's life?