Senegal's breakdancers have been practicing for their country's historic hosting of the Youth Olympic Games this month. It's the first time Africa is hosting an Olympic event.
Nine members of the Kennedy family have joined the legal fight against Trump's D.C. arch, arguing it would disrupt views and cast shadows over their ancestors' graves at Arlington National Cemetery.
Historian and The New Yorker writer Jill Lepore says the DSA, once maligned, is no longer "beyond the political pale." She discusses the history of socialism in America, and its current resurgence.