Mitt Romney, Jeb Bush, Chris Christie, sort of the three big hitters on the Republican side.

We played all that rhetoric, all of the thing - the provocative inflammatory things [Donald Trump] said over the last year, does that all add up to buying him enough wiggle room with his base that he can get out and change his position like that?

Bernie Sanders is usually speaking to the converted. He fires them up. It`s a completely different style of campaigning that he`s allergic to.

Donald Trump, I guess one idea here if he`s flip flopping, has he bought himself cover with his base by all the inflammatory thing he`s said over the last year? But the flip side is, all of those inflammatory things, the voters he`s trying to reach by flip flopping, are they tuned out to him because of that?

The perception that Donald Trump has softened on immigration or is about to soften on immigration has some on the right concerned that he could lose support among his most loyal base of supporters, though he`d been drawn to his hard-line positions on immigration early in the campaign.

Here`s what I`m curious about. For the president of Mexico, this man, Donald Trump, is, it`s probably not an understatement to say, despised by many Mexicans.

We are waiting for Donald Trump`s big immigration speech. There are lots of unanswered questions that remain about where exactly Trump stands on deportation forces, on what to do with the millions of immigrants who are here illegally now, and where he stands on the question of birthright citizenship.