The possibility of weapons of mass destruction from Pakistan falling into the hands of Islamic extremists remains a worrisome concern, as does the risk of a nuclear conflagration with India.
But the most worrisome concern is that Calderón and his public security chief Genaro García Luna, may in fact favor one of the most powerful drug cartels, the Sinaloa Cartel.
A particularly worrisome gap concerns the Arabic language.
Even more worrisome, student concerns about debt are exacerbating the nation's physician shortage.
However, accumulating evidences suggest the emergence of worrisome issues concerning the long-term fate of prosthetic grafts as large vessel replacement.
Bacterial chemo-resistance is a worrisome health concern worldwide today [ 1- 3].
The emergence and spread of drug resistant Salmonellae of both human and animal origins are global concerns and worrisome in countries where the risk of infection is high and treatment options are limited.
Developers "took a situation that was of concern and worrisome, and escalated it to a crisis," said Christine C. Quinn, a City Council member who has taken up the cause of compatible zoning.
This is a notch more worrisome than the "minimal concern" about these effects in the outside panel's report.
The two-sided management of Timbuktu by the Islamists indicated a division within the ranks of the rebels, Maiga said, but it also suggested a somewhat worrisome truth for Westerners concerned with the battle of ideas against radical Islam: Had they treated the people better, the jihadists might have won more popular support for their strict version of Islam.
From a public health perspective, these findings are worrisome and should stimulate concern in teachers, health professionals and parents.
