Around 100, 000 Spanish trade unionists took to the streets in Barcelona Thursday to express their opposition to any tampering with present practices.

CNN: European leaders

"It's important to note cities, counties and municipalities still have the ability to express their opposition to processing facilities by blocking their construction and operation at the local level, " the governor said.

NPR: Okla. Governor Signs Horse Slaughter Legislation

However, the main Stormont parties put on a united front - agreeing to hold a special assembly session on Monday where all sides could express their opposition to the violence.

BBC: Northern Ireland Assembly session over flag disturbances

For the first time in more than a century, businesses and unions can spend unlimited sums to express support or opposition to candidates.

NEWYORKER: State for Sale

Rick Santorum as the first 2012 presidential candidate to express strong public opposition to the ratification of the United Nations Convention on the Law of the Sea (better known as the Law of the Sea Treaty, or LOST).

CENTERFORSECURITYPOLICY: Center For Security Policy

China - which backed the UN condemnation - summoned North Korea's ambassador in Beijing to express "firm opposition" to the test, the foreign ministry said.

BBC: Obama: Nuclear test 'isolates North Korea further'

Hayden said he called several senior White House officials to express his opposition before the president released the documents.

CNN: Ex-CIA chief: Obama risks national security

Earlier Tuesday, Odinga's spokesman said Barack Obama phoned the opposition leader to express concerns about the ethnic violence, intensifying the diplomatic pressure from the United States.

NPR: Kenya's Opposition Rejects Talks with Kibaki