Chris Hayes and Stephanie Ruhle preview MSNBC's election night coverage and explain what's changing as it morphs into MS Now.

Changes continue to happen at MSNBC as the network officially entered its new era earlier this month, beginning its split from NBC News as it prepares to rebrand as MS Now under a separate company, ...

David Rohde, a two-time Pulitzer Prize winner for international reporting, is joining MSNBC as senior national security reporter following a tenure at NBC News as senior executive editor of national ...