oklahoma senator markwayne mullin is ahead and fear of famine. the us airdrops aid into gaza as the situation there grows, more dire is the tragedy a tipping point for democrats? >> we can't shoot our way out of this problem dick durbin, the first senator to call for a ceasefire, joins me exclusively >> hello i'm, >> dana bash in washington where the state of our union is watching the general election takes shape. >> donald >> trump came closer to officially becoming republican presidential nominee saturday with another sweet and his campaign expects to be within striking distance of formerly clinching that nomination in 20 days on super tuesday. while democrats got heartburn this weekend over a new poll that shows trump winning president biden tried to take on his vulnerabilities this week and flip the script on immigration. as america got a preview of the months to come when biden and trump both headed to the southern border to make their case about what many voters see as their top issue here with me now is homeland security secretary alejandr