Sentence examples for has effectively challenged from inspiring English sources

The problem for the challengers, Democrats themselves say, is no presidential candidate has effectively challenged Mr. Bush on security.

With Chavez now out of the picture, and the Castro brothers in Cuba not far behind him, Ecuador's Rafael Correa -- who has an established record of promoting socialism, has effectively challenged conventional wisdom in the region, and who is likely to remain a force to be reckoned with -- seems a natural choice to fill that role.

Better still, the whole crabbing conservative consensus, policed and entrenched by the cynicism of our media and which has so paralysed New Labour, that anything public authority tries to do is bound to fail, has been effectively challenged.

None of it has been effectively challenged.

Ayman Zawahiri, leader of the core group, has long disagreed with Abu Bakr al-Baghdadi, ISIS's leader, warning him that ISIS's habit of beheading its opponents and posting such atrocities on video was giving al-Qaeda a bad name.So far ISIS has been effectively challenged only by fellow Sunnis.

However, this presupposition of the state's role has been effectively challenged, especially as the state increasingly intervened in the healthcare system and the medical profession beginning in the 1960s and 1970s.

Those doing the killing in Kosovo were primarily small paramilitary groups, death squads, and police units that couldn't have effectively been challenged by high-altitude bombing, and weren't affected by the destruction of bridges or factories hundreds of miles to the north.

"Questionable governance practices have been tolerated at BSkyB for a long time, and unfortunately many shareholders have not effectively challenged them.

In the absence of new legislation, Trump has tried to use his executive authority to prosecute undocumented people living in the US, crack down on the southern border by separating families who cross it, and make it harder to apply for asylum, policies that have been effectively challenged in ongoing court battles.

Beijing has effectively accomplished this challenge in the geo-economic sphere, with its initiatives to set up a parallel set of global financial institutions.

Haunted by this notion, he turns to the key places where such logic has been established and to the place it has been most effectively challenged: literature.