And while nearly a dozen lawmakers faced criminal charges in the last few years, many were subsequently re-elected.
Democratic lawmakers also face their own perils, with November elections.
The lawmakers, who hope for bipartisan support, will almost certainly face pressure to compromise on the issues from some Republicans and conservative Democrats.
With several costly new programs demanding Pentagon spending at roughly the same time, lawmakers are facing difficult choices.
As both houses of Congress debate health-care legislation, lawmakers face unprecedented pressures.
For the first time this year, lawmakers face a significant deadline in the budget battle.
Not everyone will be happy with this decision, but lawmakers faced similar complications in the 1950's when a need for I-95 was realized.
Even lawmakers who might be expected to be vulnerable this year faced little or no opposition.
Mr. Bruno was asked if lawmakers would face any consequences for not following the law.
And that figure, which is likely to rise, has drawn attention as lawmakers face a looming budget deficit.