What Did Biden Promise Netanyahu?

President Biden has completed his meeting with Israeli Prime Minister Netanyahu, with media reporting that he gave a "green light" for Israel to begin a ground operation in Gaza. Many questions remain unanswered, including the role of US military assets in the area and what mission, if any, US troops might have in support of Israeli military action. Also today: Jewish peace groups arrested in US Capitol office buildings and rockets begin flying into US bases in Iraq and Syria.