"As one who served seven years on the Ethics Committee, I know that the demands on staff and resources can at times be overstretched," Pelosi wrote in a letter.
Various technical measures indicate the market may be overstretched.
Unions said staff working with children and parents would be overstretched.
"The Obama administration can say that the Russians are overstretched all they want," the source said.
"For parents whose children are looking to buy, and those first time buyers now wanting to own, real consideration needs to be given to set realistic timescales and ways in which this can be achieved without either party being overstretched or facing longer term financial difficulty".
It can refer to machinery that is overused without proper servicing, but can also apply to situations in which people are overstretched.
The Greek coastguards rescue as many boats as they can, Thanasis says, but with only two response vessels, they are overstretched.
For this reason fatal overdoses can occur, particularly in rural areas where there may be a lack of training or health professionals are overstretched.
Our military is overstretched.
