House Republicans subpoena Hunter Biden and president’s brother James

House committee has been searching for evidence of influence peddling when Biden was vice-president to Barack Obama

House Republicans issued subpoenas on Wednesday to members of Joe Biden's family, taking their most aggressive step yet in an impeachment inquiry bitterly opposed by Democrats that is testing the reach of congressional oversight powers.

The long-awaited move by Representative James Comer, the chairman of the House oversight committee, to subpoena the president's son Hunter and his brother James comes as Republicans hope to gain ground in their nearly year-long investigation. So far, they have failed to uncover evidence directly implicating the president in any wrongdoing.