U.K. Parliament attacker Khalid Masood is just the latest terrorist known to intelligence agencies yet free to wage jihad on the streets.
Senator Bernie Sanders talks with Rachel Maddow about how the dismantling of the Affordable Care Act and other Donald Trump Republican agenda items wi
Police revealed Friday that "two further significant arrests" had been made overnight in connection with the terrorist attack on the U.K. Parliament.
Scotland Yard's top anti-terror officer Mark Rowley said police were trying to work out whether or not killer acted alone
After a difficult day for Republicans hoping to pass their health care bill, the House is back at it Friday — with a directive that it's now or never.