Marco Rubio continually loses his way and forgets that the main stream of American society is feeling alienated and disenfranchised. And it seems that Rubio can be bought and will change, chameleon-like, depending on who he is talking to and what he hopes to benefit from them.
Of course, the biggest mistake he made is with the Gang of Eight and the amnesty program. He made common cause with Democrats who want lots of new Latino voters who will be Democrats for life if they are given amnesty. He did this to unite with big business, which means donors, who want cheap labor. He ignored the fact that millions of illegal immigrants are flooding the country, taking jobs that Americans will do, taking lots of government services, and disrupting societies and standards. There is no attempt to assimilate, only to impose. Rubio later tried to explain after it cost him his credibility, but he was caught lying. His believability has sunk to new lows, and now he has decided to throw in with another group that is not interested in assimilating. He is simply digging a bigger and bigger hole.
Rubio against U.S. citizens again, page 2:

We don’t need tp provide access for them to be better shots when they have said all along, that they plan to kill anyone who doesn’t convert.
Too bad rubio. Too idiotic to realize your own idiocy.
A liberal democrat! Why is he calling him self conservative ?
It looks like he has begun to take money from them so he has sold himself to Muslims..that’s why we the people do not trust politicians regardless of what party they belong to cause it’s only takes particular amount of money and they get bought and sold
It is wrong to ban Muslims from gun ranges! Who else can we use for targets!
BS! That is what Netanyahu and the rest of Satan’s church of f**e Jews believes!
and that is why we won’t elect you for President. You are an IDIOT and Not for America. so go to Hell.
Yeah we could use some live targets
Just like we taught the 9/11 terrorist’s how to fly, look how that worked out.
Ah, ‘scuse me, Marco. Don’t Mohammedans have gun ranges in their own countries? They have to come to MY country to use a gun range?