Americans' trust in the Black Lives Matter movement has fallen and their faith in local law enforcement has risen since protests demanding social justice swept the nation last year, according to an exclusive USA TODAY/Ipsos Poll. The debate over the intersection of racism and policing will be in the spotlight again as jury selection opens Monday in the Minneapolis trial of former police officer Derek Chauvin in the death of George Floyd, which sparked nationwide marches last year. The survey finds complicated and shifting views about Chauvin's actions and broader questions of race. On many issues, there is a chasm in the perspective between Black people and white people.