Far-right incumbent Jair Bolsonaro and his left-leaning challenger Luiz Inacio Lula da Silva have officially launched their campaigns for Brazil's most polarized presidential election in decades.

A new opinion poll shows support for Emmanuel Macron at its highest level yet in round one of France's April presidential election. The reason for this boost might also explain why the incumbent president has not yet declared his candidacy: his role in the Ukraine crisis. In this special edition of France 2022: The Campaign, we examine how the Russian invasion of Ukraine has completely upended the French presidential campaign.

Jeff Weaver, senior adviser to the Bernie Sanders 2020 presidential campaign, discusses Sanders' economic, foreign policy and health-care plans with Bloomberg's Kevin Cirilli on "Bloomberg Markets: What'd You Miss?"

Stephanie Kelton, a senior economic adviser to Bernie Sanders' presidential campaign, discusses the Democratic presidential candidate's economic vision. She speaks with David Westin on "Bloomberg: Balance of Power."

Oby Ezekwesili's emotional speech as she takes a bow from 2019 presidential campaign.

Supporters of U.S. President Donald Trump at his rally in Kentucky say they doubt that FBI Director James Comey is capable of carrying out an independent investigation into possible ties between Trump's presidential campaign and Moscow.

U.S. Attorney General Jeff Sessions says he never considered it improper to meet with the Russian ambassador during the presidential campaign, adding, "we didn't discuss politics or campaigns.

U.S. President Donald Trump assailed U.S. intelligence agencies on Wednesday for what he said were illegal information leaks and dismissed reports of contacts between members of his presidential campaign and Russian intelligence officials.

The German and European press are asking a lot of questions around German security and intelligence as it's revealed that the number one suspect was known to authorities.