…and President Barack Obama.  House Speaker John Boehner (R, OH) said last Thursday,

There’s widespread doubt about whether this administration can be trusted to enforce our laws.  It’s going to be difficult to move any immigration legislation until that changes.

This comes close to killing any sort of immigration reform before the November mid-terms.  Asked about this statement in a following daily mid-day press conference, Obama said through his Press Secretary Jay Carney the following:

The president has an exceptional record of improving border security on his watch.

Notice that.  Both Boehner’s description of the lack of trust in Obama to enforce the law and the question about that lack of trust were general; they were not limited in any way, including regarding any particular subset of the law.

Carney’s Obama’s evasiveness in answering the question is a clear demonstration of the factors underlying that lack of trust.