Trump news at a glance: president pushes Republicans to back big bill amid forecast losses to healthcare

US Senate opens debate as budget office finds bill will also result in even bigger losses to healthcare coverage; Trump considers forcing journalists to reveal sources over Iran report - key US politics stories from Sunday 29 June at a glance

The US Senate has opened debate on what Donald Trump calls his big beautiful bill" as new analysis says changes made to it in the chamber will add nearly $3.3tn to the nation's debt load while resulting in even steeper losses in healthcare coverage.

The non-partisan Congressional Budget Office's analysis adds to the challenges for Republicans as they push to get the bill over the line by the US president's self-imposed deadline of 4 July. After release of the bill's new costs, Trump cajoled and threatened lawmakers from his own party, posting on his Truth Social platform: REMEMBER, you still have to get reelected."