4 trends tracked about this subject — the full history, oldest to newest below.
Senate Republican Bill Cassidy publicly rebukes the Trump administration amid a rising measles surge, demanding vaccination and CDC answers.
A Senate Republican breaks ranks to label Russian oligarch funding for Donald Trump Jr.'s party as corruption.
Legislators and analysts are debating a potential shift in GOP tax policy as a means to address the long-term solvency of Social Security.
1 news sources are covering this World story right now — PULSE is tracking how fast it spreads.