President Obama acknowledges the election process in Afghanistan was difficult.

VOA: standard.2009.11.02

General Myers acknowledges that process has been made more difficult by the uncertain outcome of the Afghan presidential election, and allegations of widespread fraud by supporters of President Hamid Karzai.

VOA: standard.2009.10.16

Some of the local residents in Searchlight did not like the fact that outsiders had come in to target Senator Reid, who faces a difficult re-election bid this year, in part,because of his work in guiding the divisive health care reform bill through Congress.

VOA: standard.2010.03.28

As I mentioned before, this has been a difficult election.

WHITEHOUSE: President Obama and Iraqi PM Nuri al-Maliki Address the Press | The White House

As we all know, this has been a very difficult time in Afghanistan to not only carry out a election under difficult circumstances, where there were a whole host of security issues that had to be resolved, but also post-election a lot of uncertainty.

WHITEHOUSE: President Obama and Iraqi PM Nuri al-Maliki Address the Press | The White House

In what will inevitably be a difficult and demanding election campaign, we must have a determined and united parliamentary party.

BBC: In full: Text of Brown letter