News Capitol Hill braces for March 4 threat; Nancy Pelosi calls out QAnon conspiracy ‘silliness’ March 4, 2021 Bart Jansen, USA TODAY Comments Off on Capitol Hill braces for March 4 threat; Nancy Pelosi calls out QAnon conspiracy ‘silliness’ Security is prominent as Capitol Hill braced for a potential security threat Thursday, a possible follow-up to the Jan. 6 insurrection.