What We're Following This Morning

Last night’s Democratic debate: Bernie Sanders, fresh from his win in Michigan, clashed against Hillary Clinton in Miami.  The questions centered on immigration, and, as Russell reported, the two candidates “fought vigorously over where each of them stood in years past and particularly during the effort to pass immigration reform under President George W. Bush in 2007.”

This evening’s debate: The remaining Republican presidential candidates will face off tonight in Miami. Florida senator Marco Rubio, who will have home-field advantage, is facing an uphill struggle to stay in the race against his two major rivals, Donald Trump and Ted Cruz. The debate starts at 8:30 p.m. ET on CNN.

Watching the ECB: The European Central Bank is expected to announce a fresh round of stimulus. A decision is expected at 7:45 a.m. ET. Update: The ECB has cut the eurozone rate to zero from 0.05 percent. The deposit-facility rate has been lowered to minus-0.4 percent. The ECB has also increased its quantitative easing to 80 billion euros, up from 60 billion euros. The announcement can be read here.

Shootings outside Pittsburgh: Five people are dead and three wounded in Wilkinsburg, Pennsylvania, following an altercation at a backyard cookout. Police said at least two guns were fired from an alley behind the house where the cookout was taking place. The assailants have not been caught.

Justin Trudeau visits Washington: The Canadian prime minister, who arrived yesterday in the U.S., will visit the White House today, where President Obama will host a state dinner in his honor. Trudeau’s official state visit to the U.S. is the first by a Canadian leader in nearly two decades.

News from last night here