Should Obama be arrested? I’m sure you’ve seen tidbits in news about it.

Tump could theoretically order military police to arrest a civilian if the circumstances were deemed to fall under their jurisdiction and the order was lawful. However, there is a legal and ethical obligation for those in the armed forces to refuse to obey unlawful orders.

But he would have to find some crime Obama committed after leaving office, and when did Tulsi Gabbard turn from someone "who does not know what she's talking about" to quote Trump, to the source of truth?