President Obama met Thursday with Senate Republicans to discuss the nation's debt ceiling and long-term efforts to control the deficit. Meanwhile, a group of Main Street businesses are urging Congress to raise the debt ceiling without delay.
Robert Siegel talks with electrical engineering and computer science professor Ruzena Bajcsy about one of the inventors of the C.C.D. — the charged coupling device. Scientist Willard Boyle's creation is found in bar code scanners, digital photography, medical endoscopes and the Hubble Space Telescope. Boyle, who won a Nobel Prize for his invention, recently died at age 86.
We've been hearing for weeks about the besieged port city of Misrata. The population of Libya's third largest city has been surrounded on all sides, facing faced relentless bombardment by forces loyal to Libyan leader Moammar Gadhafi. Hundreds have been killed in the fighting. Thursday, news coming out of Misrata suggests that the rebels have gained significant ground in the past few days.