Last-minute attempt to suspend Ohio’s open carry gun laws in wake of shooting deaths of three policemen in Louisiana failed, forcing law enforcement authorities to be even more vigilant
Officials prepare for ‘domestic terrorism’ at Republican, Democratic gatherings in Cleveland, Philadelphia
While some favor police use of robots, others have ethical and accountability concerns
Gun laws scrutinized following ambush murders of Dallas police; Texas has more than 850,000 residents with licenses to carry firearms
Sanders has not yet endorsed his Democratic presidential rival, but said the campaigns will come together
Obama meets with Prime Minister Rajoy, opposition leaders and King Felipe
During first presidential visit to Spain, Obama urges community residents and police to 'listen to each other'
Police describe the downtown Dallas site as an 'active shooter situation' and have told demonstrators to leave the area
Cries of 'Black lives matter' heard in Louisiana capital in reaction to fatal police shooting of 37-year-old African American
Republicans demand explanation for why no criminal charges were recommended for Clinton’s use of private server while secretary of state
Video of incident shows one of two officers shooting dead 37-year-old African American while victim was pinned to the ground
Campaigns are considering factors that can strengthen their tickets, including whether vice presidential hopefuls come from swing states vital to election outcomes
Americans celebrate July 4 with traditional fireworks displays, parades and concerts
Islamic State group claims responsibility for larger of two blasts it says targeted Shi'ites
But they have varied backgrounds and hold extremely diverse political views, one activist says
For example, respondents in 15 of 16 nations in Europe, Asia expressed confidence in Obama’s ability to handle world affairs
At least 10 hurt as white nationalists and counter-protestors clash on state capitol grounds
Law enforcers take 'all hazards approach' to foil threats ranging from civil unrest, terrorism to cyber attacks
Rubio's decision to run again reverses a promise he made last year that he would retire from the Senate if his run for the presidency was not successful
Speaking in key battleground state of Ohio, Democratic presidential candidate attacks rival Republican’s business record as indication of how he would manage world’s largest economy
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