MSNBC's Nicolle Wallace reports on the stock market's volatile week, as a measure of U.S. consumer sentiment dropped to its lowest level in nearly three years.

One political expert said that the more anger seen at town halls and from voters, the more pressure is placed on U.S. House ...

The exchange between the press secretary and the reporter was widely commented online and on TV, with MSNBC journalist Nicolle Wallace sharing ... its own counter-measures on Wednesday.