Live On Bloomberg TV, Fed's Williams Says Iran War Impact Will Drive Up Headline Inflation; Inflation This Year Should Be Around 2.75%; Story On Core Inflation Hasn't Changed Very Much; Hasn't Changed Story Much On Core Inflation Despite War; Tariffs Remain A Big Part Of The Inflation Story; Monetary Policy Is Well Positioned To Wait And See; Monetary Policy Is Exactly Where It Needs To Be, Can Be Changed If Needed; Expects 2% To 2.5% GDP This Year With Stable Unemployment