Many Americans in border states support cracking down on illegal migrants, and Mr Obama's Democratic Party faces difficult mid-term elections in November.
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Of course, ignoring short term swings up or down is difficult but required for long term financial success.
He explained NIE's short, medium and long term plans but said it would be difficult to get beyond the medium term targets without further infrastructure in the west.
However, they also predict that things will prove much more difficult in his second term.
The last thing that makes Mr Bush's second term particularly difficult is the united hostility from the Democrats.
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But any attempt to dispel such beliefs "is difficult and long-term, " she said.
"I think it's going to be very difficult in the near term to generate excitement about his policies in the Middle East, " Gergen said.
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And in a private email obtained and published by The Sun newspaper, club executive chairman Peter Storrie conceded the lack of progress was making long-term planning difficult.
The long-term, difficult (and so on) decisions that he is touting mostly involve the economy, and specifically the tough line the government has taken with some public-sector unions over pay.
So, my point is that the more things move towards digital downloads, activation codes, and even the rumored always-on DRM that the new Xbox console will supposedly have, this does more and more to make long-term access difficult if not impossible.
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But keeping human information for the long term is more difficult to do.
They called it muruwah, a complex term that is difficult to translate succinctly.
Spain and Italy are undertaking difficult, important long-term reforms, and it will be important that they continue to borrow at affordable rates as they undertake those reforms.
"Fitting a deal of historical proportions into our short-term and long-term plans is very difficult, " Idzik said.
That is, I hope, a first step toward solving the difficult challenge of financing long-term care services.
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This has clearly been a year for sticking with the weekly trend analysis, as the short-term swings have been difficult to trade.
"Fitting a deal of historical proportions into our short-term and long-term plans is very difficult, " Idzik said Sunday in a conference call.
Sources told the BBC the decision to downgrade key commitments to long term aspirations involved "difficult" conversations with senior Lib Dems and a "Herculean struggle" on Mr Clegg's part.
Amid all this global uncertainty, it is difficult to see what short-term measures could soothe fears and send people rushing back to the shops, or persuade companies to make long-term investment decisions.
But she said it was much more difficult to pin down any long-term effect.
Much like the previous example, this is another situation where longer term comparisons to ETFs are difficult.
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The long-term unemployed face an especially difficult path back to the labor market.
When a market has been rising for almost four years it is much more difficult to find stocks with long-term bases.
The Moroccan representative suggested the reason was technical: education was a long-term investment and its results difficult to quantify quickly and efficiently.
Still, the most important lesson from the trial may be that it is incredibly difficult to tease out the long-term effects of a medicine.
The feeling that bad situations are the result of bad luck, difficulty, or an external event more specific can make it more difficult to succeed financially over the long term.
That is that once long term unemployment exists it is extremely difficult to get rid of.
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That is going to be a difficult order to fill in the short-term.
However, given the presently sluggish signal from economic indicators, it might be difficult to drive expansion plans in the near term.
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