Welcome to the new Twitter

(JTA) — Elon Musk bantered with Kanye West and trolled the Anti-Defamation League this weekend, in the latest of mounting signs that he is choosing to let the platform become a free for all after acquiring it last month.

West, the rapper and designer who also goes by Ye, had been banned from Twitter last month for threatening Jews; he returned to the platform Nov. 4 and was swiftly banned again after he launched a new round of anti-Jewish invective.

“Testing Testing Seeing if my Twitter is unblocked,” West tweeted midday Sunday. Several hours later, Musk appeared to be welcoming West, punning...