>> reporter: good afternoon, lara and ama. republicans today are wrapping their head around the inevitable. the party chairman saying that donald trump is their guy. but it's going to take some time to bring the party together after such a bruising primary process. and then there was one. after a decisive win in indiana, donald trump is the last man standing in the republican race. >> it's been some unbelievable day and evening and year. >> reporter: ted cruz vowed to fight trump all the way to the convention. instead, after a crushing loss, bowed out. >> with boundless optimism for the long-term future of our nation, we are suspending our campaign. >> reporter: and today john kasich announcing he's ending his bid as well. >> the people of our country changed me. they changed me with the stories of their lives. >> reporter: on the democratic side, bernie sanders not going anywhere. >> i think we can pull off one ever the great political upsets