President Trump announced that he will report Kristen Welker to the Federal Communications Commission. Welker is a host of NBC News' "Meet the Press". The decision to report her was made after remarks she made, though the specifics of these remarks are not detailed here.

Further information on this development can be found through the source. The reason behind Trump's decision to involve the FCC is tied to Welker's comments on "Meet the Press", but the exact nature of these comments is not specified.

The FCC is the entity that will receive the report, as stated by President Trump. Details on the outcome or the process of reporting Welker to the FCC are not provided in the available information.