As the blast radius of the Russia investigation continues to expand, Donald Trump is facing an unnerving new reality: The fate of his presidency may **w hinge on the motley, freewheeling crew of lieutenants and loyalists who have long populated his entourage. Last week, a subpoena for Trumpâ??s personal attorney, Michael Cohen, was approved as part of the House Intelligence Committeeâ??s investigation into Russiaâ??s interference with the presidential ...