Congress has failed over 20 years to reform immigration: here's a timeline

As President Joe Biden heads to the southern border for his first visit as president, the nation remains stuck with outdated immigration laws and border enforcement — and little chance for major change.

Congress' failure to pass any meaningful immigration reform stretched to more than two decades in the last session, which ended last month. Over and over, attempts have collapsed — including bipartisan efforts and those with strong presidential backing. Instead, most changes on immigration have been achieved only through funding bills, small provisions in other legislation, regulations and executive authority.

Here's a timeline of Congress' failure on immigration since President Bill Clinton left office.